Nslookup works but ping fails mac The ping command sends packets of information to the IP address or the domain and checks for replies. km ) and that canonical name doesn't resolve to an IP address, that's why those tools cannot get an IP address. That lookup fails. nslookup works: PS C:\Users\Administrator> nslookup nuget Server: ad-01. What is the output of ping -a 64. Some of the most common reasons include: Firewall settings: One possible reason why ping might fail even though nslookup is working is due to firewall settings on either the local machine or the target device. com website, here’s how it will look like: nslookup xyz. 8;; connection timed out; no servers could be reached. 0/24. com (192. When I brought the machine in for testing, I found that I could do an nslookup just fine, and I'm able to ping addresses returned by nslookup just fine. 8 by default. For instance, if you open the abc. So, here in this article, we will discuss in detail the fixes to resolve the Nslookup works but ping fails on Windows 10 and 11. Jan 4, 2025 · A common instance of this phenomenon occurs in Microsoft Windows environments, where "nslookup" returns results while "ping" commands fail. xyz If fqdn works and the single name does not, then your machines are not getting a DNS suffix. However, if I ping pi. com, but nslookup returns the correct ip address for google. I have to enable/disable airplane mode. 243. However, nslookup behaves very strangely: nslookup <any FQDN> <any DC server> works incorrectly, appending example. com works great, as kube-dns is running on the master. com) Overall, this sounds like it could be a number of things including DNS hijacking, corrupt network somewhere, or something else strange with Windows. 5 to attempt to lookup. conf. 1) on the network 10. 15. It's like this for all command line programs and e. 0. However, nslookup google. nslookup <any FQDN>. com". nameserver 192. The best thing to do is setup split DNS. If i use ping, then Wireshark shows that the internal DNS servers and the public DNS servers are queried. If you have an local authoritative server that's incorrectly setup, you'll fail internally, but work externally which will hit a different DNS server ultimately. When I edit /etc/resolv. To get nslookup information for a domain, use the following command in the command line/terminal: nslookup <domain name May 20, 2017 · ICMP requests (ping) are rather small. firefox hit google; synaptic updater). nslookup wolfman (name server lookup: wolfman) sends the hostname (wolfman) to the DNS (domain name system) to obtain the corresponding IP address. Restarting dnscache service doesn't work. local: Unknown host I have make searches on Internet but cannot find a solution. com:80 * Couldn't resolve host 'google. com (You'll have to Ctrl-C out of this command once you get results or decide to Jan 29, 2018 · Windows 10 DNS lookup works via nslookup, but ping and other application based attempts to local network resources fail. I cleared the DNS cache and ran ipconfig /registerdns and it worked for about 2 mins i was facing the same problem. This article dives deep into the reasons behind the issue where "Nslookup works but Ping fails in Windows 11 and 10" and offers comprehensive steps to troubleshoot and resolve it. fernando@desktest:~$ nslookup ldap. 243 Address: 192. 238) for every domain that does NOT exist. 1 nslookup dc2 10. Mail server works correct but the strange thing is from server itself it can't resolve hostnames. com works. Everything connected in that network (2 servers) do ping the DNS server Jan 28, 2014 · Hello everybody!!! I’m working on my final project and it consists of doing a small network with Active Directory, DNS, DHCP, FW, DMZ, Exchange, etc, etc… Right now, I’m having a little problem with my DNS and my DMZ. Eg. But you'll get the same information by pinging your gateway and then checking the arp tables. The ping works but not when the Jul 27, 2010 · Here are some of the steps I took to troubleshoot this: 1) Tried multiple access points (SonicWALL and FiOS AP) 2) Internet/name resolution works on other computers at my house 3) PING does not resolve names through terminal 4) NSLOOKUP works terminal 5) DIG works through terminal 6) HOST works through termial 7) Checked Mac firewall - it's I can resolve a hostname using host and/or nslookup but forward lookups do not work with dig; reverse lookups do: musashixxx@box:~$ host someserver somese Aug 10, 2017 · I'm experimenting with a Win10 IoT board that runs a web interface on minwinpc. B) The DNS cache is corrupted. May 29, 2018 · The same argument goes for ping -a. The result of sudo netstat -anlp | grep -w LISTEN is: Apr 18, 2024 · DNS works in terminal but not elsewhere in Mac OS; Terminal/Safari Cannot Resolve Host But Chrome Can Connect; DNS resolution works for nslookup but fails in browser while using openconnect; DNS not resolving on Mac OS X; How to fix when I can nslookup and dig an internal hostname, but I cannot ping or ssh to the internal machine? Mar 28, 2025 · C) ping -p 53. Nslookup works fine because it skips the local resolver. D) dns-test 53. They fail with "unknown host". hole Address: 192. If your Nslookup works but Ping fails on Windows computers, then this guide offers definitive solutions to fix that problem. 24. I can use nslookup and dig correctly. When I run nslookup client. 20 Name: nuget. Jun 5, 2022 · DNS doesn't work, though I can ping it. 14. conf, ping can fail to resolve a host even though nslookup succeeds. However, ping by domain name fails, suggesting a problem with the way DNS queries are being handled or a potential misconfiguration in the search domains or resolv. local ping: cannot resolve abc. Docker集群中两个容器中 nslookup 同一个域名，返回来的IP不一样 Mar 27, 2025 · Then it will add a “. Jan 11, 2022 · Expected Behaviour: Be able to nslookup a local DNS using Pihole as DNS, and be able to see an HTTP server and ping the machine Actual Behaviour: Lookup is working and is giving the correct IP. search. My question: What are Resolve-DnsName and ping doing differently than nslookup? Feb 13, 2015 · Ping: $ ping server ping: unknown host server $ ping server. hole it succeeds. 222. example. conf on myhost2; So this is not (I guess) a DNS issue as nslookup queries work fine from the container, but I can't figure out why other application (like ping or wget) can't Apr 4, 2024 · One of my Fedora systems will often fail to do DNS resolution. 103) 56(84) bytes of data. if I use nslookup, it uses the internal DNS server which returns not result, which would be fine. conf is: # This file is managed by man:systemd-resolved(8). Oct 26, 2013 · This should result in a "fail fast" behaviour that makes more sense than non-deterministic connection delays. Do not edit. local. Using the CLI the 'ping' command will not resolve names while the 'nslookup' command will. Sometimes, when trying to run the nslookup command, they encounter this; however Oct 10, 2019 · Hi ! I had initially the problem with docker-compose, unable to reach a debian update site Then I was able to build the image with --network host. The nslookup command provides functions for checking different DNS records and servers. 26. 2 nslookup dc2 10. So here’s my setup. 50 works fine and as you can see I can visit the admin dashboard as well. [ busybox master (git hash 349d72c19) sysroot-glibc-linaro-2. 1 The local IP is my local PiHole, which I mainly use as a local DNS Server. ” Your ping is contacting resolvers, but not the same ones (or not all those) that nslookup is. Aug 2, 2022 · If the ping by name fails, try a ping by IP address. 22: bytes=32 time=6ms TTL=127 Reply from 10. We upgraded a few of our machines to macOS 13(Ventura) recently, post the upgrade DNS resolution is working with nslookup and dig but curl and ping commands are not working Jul 8, 2019 · This is a weird one: Environment: Single Windows 2016 DC (Win 2012 functional level) DHCP DNS Multiple 2008 and 2012 R2 servers (Files, SQL, ERP) Mix of Windows 10 and Windows 7 clients Issue: I have just one of 40 computer that is unable to connect to any of the file servers or internal resources, however it has no issue with resolving external servers and website and getting email from O365 Aug 18, 2023 · The ping command does not work as well. com' But when I saw David T's post here, I decided to try it with curl. Also, you can check your ARP cache - this will show you the MAC - IP mappings within your subnet. Nov 4, 2016 · dig doesn't work for all of them - your second nameserver (200. com NOT working) nslookup IS working; ping -4 name. If nslookup works but ping fails, perhaps you can fix the problem simply by adding a dot after the domain. Why is the runtime library not using the nameserver listed in /etc/resolv. Jun 11, 2016 · After a strange glitch with a DNS-server on our network, the ping command returns "Unknown Host," but the dig (or nslookup) commands promptly produce a NOERROR response from the server. conf within the pods. 8 as dns server does not work either. In my case a Sequoia MacBook does not receive a DNS configuration despite having a DNS configured in resolv. RDP is not woking using domain name Encountering the frustrating issue where nslookup works but ping fails in Windows 11? This video provides five effective solutions to resolve this network co Nov 17, 2020 · First off ping and nslookup are two totally and very different things: ping is sending an ICMP packet to the specified host directly; nslookup is querying a DNS server for the IP address of a hostname; If the host is down (for example), ping will fail. But I could still ping my DNS server(the Google DNS). 4. This would cause DNS tools to work but everything else to fail. As a matter of fact they are accessible from VM’s Jan 23, 2019 · Fix Nslookup works but Ping fails in Windows 11/10. And ping uses the result of the public one, as the internal DNS dont return a result. Adding a new one can solve the problem temporarily. However, when I try to ping the domain name rather than the IP address, it just sits there. Thoughts on how to resolve? Apr 17, 2023 · PS C:\> ping /a 10. If you try a ping after in terminal if I ping a local name configured in my networks dns it returns an incorrect address. e. yourdomain. Despite all that, DNS resolution in general (e. I’m following the DNS logs on the windows server and there is nothing about the queries. nslookup fails, ping works, no other issues with internet Reboot fails to cure. 164] with 32 bytes of data: (Ping fails, because icmp is blocked, but that isn't a name resolution issue. Everything connected in that network (2 servers) do ping the DNS server Oct 23, 2017 · Yes, anything via IP works fine. The tool is available on macOS, Linux, and Windows operating systems by default, and it was the first tool for querying DNS. com NOT working The most obvious symptom of this problem is that nslookup IS working, while ping -4 name. Oct 7, 2009 · Hello! Strange network problem. Obwohl sowohl nslookup als auch PING Ihnen bei der Identifizierung des Hosts oder der IP-Adresse helfen, funktionieren sie nicht immer und schlagen manchmal fehl. com Ping 요청에서 projects. com * getaddrinfo(3) failed for google. Understanding Nslookup and If it's a local ping (you can't ping your GW), take a look at the arp tables. The "/etc/resolv. Dec 18, 2023 · Pinging IP addresses directly works (i. 05-arm-linux-gnueabihf ] Feb 3, 2022 · ping asked the OS to resolve google. – Aug 15, 2016 · Windows 7 DNS not working (nslookup IS working; ping -4 name. Dec 19, 2023 · In such a situation, we could use two command line tools: ping and nslookup. Nslookup works fine when resolving the name of the machine and pinging works w/out issue for both IP and name. nslookup on the other hand defaulted to doing an lookup over IPv6, which by the look of things probably isn't configured correctly, hence no reply. Ping host1 - fails with ping could not find host; Ping host1. Nov 24, 2017 · > 最近两周碰到了不同场景下四个DNS问题，所以记录一下 这几个Case描述如下： 1. When I execute “ping XXX” on Windows 11 (24H2), it returns “Ping request could not find host XXX” (XXX is my company’s internal network domain name), but when I execute “nslookup XXX”, it returns the correct… Sep 20, 2017 · When at home, sometimes the internet access is unstable, the browser cannot show any site, it's not related to my router. The problem is not consistent - it happens (seemingly) randomly and is solved by a router reboot. Dec 8, 2009 · I still can't resolve from my Mac. I'm using Ubuntu 18. 217. When I use Dig the DNS suffix/domain, it nslookup does not use the system DNS settings to my knowledge, but rather queries the servers from resolv. Wenn also Ihr nslookup funktioniert, aber der Ping auf Ihrem Windows 10-PC beim Abfragen der IP-Adresse einer Website fehlschlägt, kann dies viele Gründe haben. Here are the zone files for the dns server: Aug 28, 2014 · In my case, everything else was fine: mDNSResponder was running and working, host/nslookup worked, both /etc/resolv. 243 But when I ping it, it doesn't find the ip address. 6. com'. In addition /etc/nsswitch. Jun 16, 2010 · Was working pretty good but then I upgraded to the current release (3. 2). Sep 30, 2024 · We have noticed that sometimes, Windows fails to resolve the domain name when one tries to ping it or do nslookup. We intermittently face a DNS issue with macOS 12. I am VPN'd into a network "DCCorpNet" and wish to complete an nslookup against the enterprises domain "enterprise. conf file. Jun 9, 2014 · I am having a confusing problem on one of my hyper-v host servers. However, when I use dig or nslookup, I cannot get resolve working. 113. So to explain. 10. 8 ping and curl are trying to get an actual IP address but the answer to the resolution jenkins-deb-builder. ext fail. 151. 200. com -> works; cat /etc/resolv. But then I did a ping on the hostname of that machine: PS C:\Windows\System32> ping hass Ping request could not find host hass. 101 C Apr 22, 2015 · When I try to ping google. I used powershell to test via Test Jan 27, 2022 · Title says it all. If they fail try the fqdn dc1. 8. local Server: 192. Which makes the host resolveable, which should not be Aug 22, 2017 · Running kubectl exec --namespace kube-system -it kube-dns-2425271678-k1nft --container kubedns -- ping google. 22 Pinging somehost2 [10. uk) and resolves to the same, unknown public IP address. com fails with 2 seconds timeout. This works fine in the browser, and also when I use ping. 1? If so, then see if Mac OS X's other DNS resolver codepath works, by doing a DNS query with the dns-sd tool: dns-sd -Q www. 7 it does not work as expected. Information I have an internal host internalhost. Jul 6, 2015 · @HåkanLindqvist I'm afraid not, it's unstable, I try serveral times then it works. e ping 8. NsLookup is usually a command line tool. It also works on any other pod running on the master, like kube-flannel, kube-proxy, etc. 一批ECS nslookup 域名结果正确，但是 ping 域名 返回 unknown host 1. com [172. e to 8. Only reboot help and sometime dscacheutil -flushcache. ” at the end each time you query using PING or tools like that. when i tried typing the hostname into a browser it redirected me to a url on the internet, so naturally i tried pinging it using the hostname but it didn't work, whereas the ip is fine. If I fire up Network Utility, I get the same problem on the Lookup tab (probably since it uses nslookup or host on the back-end). 1 My problem is that I can access the Windows servers' shared files, I can ssh to the CentOS machines, ping works as well as nslookup, but when I go from my browser to gitlab. Jan 28, 2014 · Hello everybody!!! I’m working on my final project and it consists of doing a small network with Active Directory, DNS, DHCP, FW, DMZ, Exchange, etc, etc… Right now, I’m having a little problem with my DNS and my DMZ. 1 goes timeout. May 14, 2004 · All, Ping, traceroute, telnet, etc. It may also be helpful to checking your LAN cables to make sure that they aren't wrapped around any power cables. If this is done right, it will result in the best experience for end users. #ping google. This has been demonstrated to work in limited test environments. Let’s try with a simple container : busybox Here are the commands tested docker run busybox nslookup google. com Pinging google. local Address: 192. 64 bytes from server001. 이름을 확인하고 다시 시도하십시오. ping is working. On the server pinging by host name works but nslookup fails everytime. enterprise. Oct 27, 2024 · nslookup dc1 10. The whole issue revolves around the fact that the vendor software checks to see the target is alive before allowing connection, and I’m assuming it uses ping method because it gives a warning it can’t reach the target host and won’t let you connect. com Sep 15, 2014 · Ping, nslookup and tracert all work as expected but the browser and other applications including telnet are unable to get any internet access. i tried all the things but finally i got solution. 1 with google. 04. I can ping the DNS servers successfully, but when I try nslookup on them I get “No response from server”. axdev. com fails to return anything (nothing printed on screen) nslookup www. I had the same issue on a Fedora 34. What I tried. But it is quiet strange, using 1. The answers here did not work for me - it wasn't a browser issue. Sep 6, 2016 · curl/ping try to resolve an IP-address with mDNSResponder or by other means and finally operate on/interact with the remote host. ) Aug 8, 2013 · 2 NICs teamed for the Management 3 NICs teamed for VM001 with NLB 3 NICs teamed for VM002 with NLB Neither the host nor it’s guest servers can resolve IPs with nslookup. When pinging this IP, it actually works. This problems occurs on a MacBook Pro 15-inch, Mid 2014 running macOS High Sierra. Feb 19, 2025 · If your NSLookup works but Ping fails on Windows 11/10, then this guide offers definitive solutions to fix that problem. Firefox. Sep 30, 2019 · However, neither ping or ssh work ('login' is a bash script that uses my key): christopher@HAL4:~$ ping web4 ping: web4: Name or service not known christopher@HAL4:~$ login web4 ssh: Could not resolve hostname web4: Name or service not known My /etc/resolv. This did not help. com and ping google. local: Unknown host $ host abc. Both ping and nslookup work from the Mac: Mac$ nslookup internalhost. H:\\>ping google. I have one server configured with AD, DNS, Hyper-V, DHCP and so forth. conf has to include dns for host. Jan 30, 2017 · To answer why there is a difference in behaviour between ping on one side and nslookup and dig on the other side – ping uses libc resolver (which honours /etc/nsswitch. (I was connected via VPN and the VPN client had correctly updated resolv. apple. com der Name der Website ist, wird diese Situation an der Eingabeaufforderung folgendermaßen aussehen. Unlike "pihole", "pi. The machine in this case is called 'solo', although it can occur with other hostnames at different times. Wenn beispielsweise XYZ. google. Nslookup is a tool that allows you to troubleshoot DNS issues. <any DC server> works correctly. So, it’s recommended to reinstall network adapter drivers when the issue occurs. ping, on the other hand, uses the system resolver to resolve names, and so the query might go to other DNS servers. The dig command does not use the host name and address resolution or the DNS query routing mechanisms used by other processes running on Mac OS X. 1 (because it uses the alternative DNS server instead of Pi-Hole). nucme ping: cannot resolve 123. local the DNS server returns the corresponding IP address, but it doesn't return the hostname when I run nslookup xx. The issue could be a cable, switch, router or firewall problem. com' * Closing connection #0 curl: (6) Couldn't resolve host 'google. When I ping either host name, or host name with fully-qualified domain name (FQDN), I get: Jay-Imermans-MacBook-Pro:~ jimerman$ ping Wkstn8 ping: cannot resolve Wkstn8: Unknown host Jay-Imermans-MacBook-Pro:~ jimerman$ In the network I am having troubles with, nslookup against dns server 1. 100? (this is the IP of microsoftonline. Have you tried adding the hosts to the host file to see if Traceroute works. That looks like the same resolution problem that Edge showed. 251. eu 9. conf file) whereas these other tools talk directly to DNS servers listed in /etc/resolve. 1 as second entry: nslookup makes the right resolution. 239. #dig kppfs. curl is not working. 67. xxx. If nslookup works but ping fails, it means that your computer can resolve the domain name to an IP address, but it cannot connect to the server at that address. 1 is successfull. 128 So if your nslookup works but ping fails on your Windows 10 PC when querying the IP address of a website then it could be caused by many reasons. On the same client, nslookup europa. conf? Did I understand from the comments that nslookup works even when your Mac is still set to use your router's DNS proxy at 192. Aug 17, 2010 · DNS tools typically use the interface's DNS server instead of querying through the OS (where Cisco's VPN client sinks its teeth). local has address 192. com, I get ping request could not find host google. 8 -t to ping indefinitely until you stop it. 120. Windows troubleshooter reports that DNS server cannot be reached by the device. uk (not internal. When I execute “ping XXX” on Windows 11 (24H2), it returns “Ping request could not find host XXX” (XXX is my company’s internal network domain name), but when I execute Feb 12, 2025 · Hi, I’ve encountered a problem. May 11, 2023 · I mean that the google Chrome will resolve names but Safari don't. 185. 6, but after clearing the DNS caches it starts working. dev. May 28, 2015 · Mac Pro Mods PowerMac G3 B&W PowerMac G4 PowerMac G4 Cube PowerMac G5 Others Retail Cases Modders Tools 3D Print Resources CNC Templates PCB Templates Hardware/Parts Hand Tools Power Tools The Tools Announcements UniBeast UniBeast Archived Threads MultiBeast MultiBeast Bug Reports Oct 30, 2015 · The OS has some defaults nslookup tells you that it's using a nameserver at 173. 32. This is the sole purpose of the nslookup command. ping server. eu 192. I have a Windows network (the Macbook is my first of many Macs). I have a 14-inch Macbook Pro released in 2021, recently my DNS failed regularly, the problem is as follows: my current DNS to Google DNS(8. See if all of those pass or fail. If this fails, the local and remote systems don't have network connectivity between them. at. 110: bytes=32 time=29ms TTL=115 Reply from 142. 22] with 32 bytes of data: Reply from 10. The mail app will not work too. Boot back into Windows, and nslookup works but everything else fails to resolve DNS. May 24, 2018 · Certainly seems to be a DNS issue. 8 as server returns nothing. When using ping, it doesn’t even resolve the address as it “cannot be found”. IE cannot display the webpage. conf" file shows the intended DNS server first on the list, and "127. 11. Apr 9, 2019 · Connectivity is clearly okay, nslookup shows that DNS is working, nslookup resolves my xxx. Apr 22, 2015 · When I try to ping google. For example, if you previously used ping windowsreport command, try using ping windowsreport. 10. Jan 20, 2013 · However in Mac OS X Lion 10. 103): icmp_seq=1 ttl=64 time=4. com both returned unknown host. So while this fails: I would try to nslookup other local hosts, to see if the LAN DNS is functioning. I can dig and nslookup fqdn too, but cannot ping them: ping: cannot resolve domain. DNS lookup fails even when preferable DNS server's address is manually set to confirmed online DNS servers (i. Feb 25, 2014 · I am using Mac OS X 10. The problem I am having is I cannot use nslookup on my server but i can use it on the workstations. I have configured the VPN nic to append a dns suffix. Given that pinging the IP but not the domain works, I tried resetting the DNS cache via : sudo dscacheutil -flushcache ; sudo killall -HUP mDNSResponder. How can ping and the browser possibly get the IP if the more basic tools fail to do the resolve? Mar 26, 2013 · We have an intermittent problem on Windows 8 whereby Ping fails to find the host but NSLookup resolves it correctly. C:\\Users\\Alexandre>nslookup node1 Serveur : pi. redhat. It could be that the nslookup queries work for you but when you try to use PING, it fails. If the ping by IP address succeeds but the ping by name fails, it's probably a name resolution problem. when i was connecting corporate vpn non of resources was pinging, also nslookup was showing the dns ip but not Server name. But now a nslookup: PS C:\Windows\System32> nslookup hass I'm having an issue which recurs every few days, whereby ping cannot resolve a hostname on my LAN (but nslookup is able to). local abc. One easy way to verify WINS resolution (since there isn't a standard "winslookup" type utility) is to ping the target host: ping sh-server Nov 17, 2021 · Use nslookup. To check this, you may run nslookup against a specific DNS server using: dnslookup lexmark SERVER May 9, 2020 · My ISP works fine as I can use other devices. Windows can resolve these addresses: C:\Users\iain>ping www. Oct 21, 2024 · Common reasons why nslookup works but ping fails. com is NOT working. nslookup is always OK, and curl failed many times until last time it success – leo Commented Jul 6, 2015 at 9:53 Feb 12, 2025 · Hi, I’ve encountered a problem. I was querying the netbios name, domain name, and server FQDN via nslookup and all gave successful addresses. 在公司网下，我的windows7笔记本的wifi总是报dns域名异常无法上网（通过IP地址可以上网） 1. 10 nameserver 1. net again without telling nslookup what nameserver to use. NSLOOKUP works, DIG (from Linux) works, so local DNS forward and reverse zones are functional, local DHCP server provides IPs and DNS information as expected. a. I have 4 workstations, two wired and two wireless. 11 doesn't run or doesn't exist at all, both will fail. ) Jul 4, 2021 · Try making a DNS query at 192. com but when I run docker run busybox ping -c 4 184. Mar 6, 2019 · We have also newly installed Jenkins and Gitlab on two different CentOS 7 machines. dig, host etc will resolve the hostnames on macOS and other machines fine (and nslookup works fine on all machines). 110] with 32 bytes of data: Reply from 142. nucme: Unknown host. If there's intermittent connectivity, the ping command won't likely find it unless you execute ping 8. com ping: unknown host google. Actual behavior Ping hangs from within the container, even though nslookup succeeds from within the container. with ping) inevitably stopped working at some point a few hours after boot. client vpn software was creating the problem,after uninstalling the client vpn software , i was able to access resources through vpn. It just hangs there looking pretty till I CTRL-C it. mynet. conf and networksetup reported the correct DNS servers, etc. net. service. com and dig google. com Server: dns. This works both for IPV6 and IPV4. 1 while 1. That busted the bridged mode kinda. com . Of course pinging by ip address works just fine. 1; ping myhost1 -> bad address; wget myhost1 -> bad address; wget google. com, it always return ping: bad address 'google. engineering. On the other hand, if you're using WINS, nslookup won't help you because it only deals with DNS. com' to return an IP address. There is no VPN involved. Local resolution fails (ping) until the (5 minute?) negative cache timeout expires. After trying to ping, run "arp -na" to see if you got a MAC address for the IP you tried to ping. Explanation. You could also try to nslookup the hostname in question on a public DNS i. I know that ping will use the OS to resolve the name, whereas dig/host will go to the DNS server directly. xxxxx ~ % ping 8. Aug 11, 2016 · Hey guys and gals. This is on OSX 10. But nslookup always works. Instead, the issue was fixed by editing /etc/nsswitch. That is, it […] Jul 4, 2008 · Re: Dig / NSLookup work, ping fails Originally Posted by HalPomeranz Without the trailing dot ("ping laptop1") your machine is actually trying to do a lookup for "laptop1. com Address: 192. 1. You can also try arping to to see if that works. Nov 4, 2022 · So, the issue we are discussing here is that the Nslookup command is working fine but the ping drops all of a sudden. Nov 28, 2011 · Dig and NSlookup works, but curl fails. If nslookup works but ping fails for a domain, what could be the issue? A) DNS resolution is correct, but the host is unreachable. So for instance: # curl -v google. 17 Ping fails: PS C:\Users\Administrator> ping nuget Ping request could not find host nuget. 8), it worked for about 24 hours after startup, then failed. $ ping abc ping: cannot resolve abc: Unknown host $ host abc abc. 220 I get: 4 packets transmitted, 0 packets received, 100% packet loss I’m also unable to docker run ubuntu apt-g&hellip; Aug 5, 2020 · But ping 192. I know A records exist for the hosts I'm checking against so I expect 'nslookup SomeHost. This connection is using google DNS at 8. com returned correct Nov 14, 2022 · I have a Mac with Cisco AnyConnect VPN installed. nslookup targetHost 208. 1" last. This can be caused by a variety of problems, including incorrect DNS settings, firewall restrictions, or a Oct 30, 2014 · ping "cannot resolve" even though nslookup works I am having issues browsing to an internal company site even though I was just using it minutes before. com [142. Pinging via IP works. Ipconfig /flushdns should resolve this issue by clearing the negative cache, assuming a simple configuration (no intermediate/backup nameservers also caching the negative lookup, no hosts entries, etc). I have an Active Directory / DNS(10. 222 (openDNS), though it sounds like public resolution is working fine. corp. nslookup xyz. Furthermore, I cannot ping the hostname either, but I can ping the clients by their IPs. But when I tried to ping domain names, e. 4). 128 $ ping abc. Also using 8. fail from time to time (not always). domain. If I ping pihole from a Windows 10 PC it should reply. Well, this happens when the computer is unable to comprehend and connect to the requested host. 110: bytes=32 time=29ms TTL=115 Apr 18, 2020 · I'm encountering a weird DNS issue on macOS Catalina 10. local: Unknown host. If I do nslookup google. 2 (latest). Has any of you seen this issue before? Oct 20, 2021 · ping www. If I re-install Windows or restore from a recent Windows backup, everything works again, until the next time it happens. Dec 1, 2008 · When you ping the fully qualified name of the server this should then work. When I am trying to ping a particular domain it returns me "Unknown host" but when I run nslookup on that same host immediately it returns me the correct IP. May 2, 2023 · nslookup myhost1 -> 10. 178. 8 while nslookup using 8. Mar 13, 2023 · I understand that Ping and NSLookup do not use the same resolution methods. As soon as I disabled it, nslookup started working. km is a CNAME ( mailtest-4. Step 1: Open the Start menu and click Device Manager on There must be exactly one blank between the nameserver tag and the address for nslookup to work. Apple support has not helped me at all. So something is getting lost. Sometimes, NSLookup works but Ping fails due to corrupted network drivers. nslookup Jun 30, 2016 · Expected behavior Ping to an internal host (a host that’s resolved by company dns) should succeed from within a container. When connected to VPN, it’s not using the corporate DNS for VPN. docs. Dec 26, 2017 · Expected Behaviour: The hostname of the Raspberry Pi running the pihole service is pihole (192. It sends a name server query to the DNS and obtains the corresponding IP address Jun 14, 2014 · Had the same thing happening to me, able to ping external hostnames but nslookup gave nothing but the '2 second' timeouts. Actual Behaviour: Ping request could not find host pihole. Now any DNS based lookup fails (i. DNS on router set to 4. company. Problem statement. Jul 4, 2021 · Try making a DNS query at 192. I have two different FreeBSD servers (different hosting companies), both exhibit this same behavior: They pick a specific IP address (216. Nov 16, 2022 · All the resources were accessible through a VPN. com just fine. Aug 7, 2019 · If I boot to Windows "safe mode (with networking)" it works fine. com, and the OS decided that it's going to return the IPv4 address to ping, probably because its IPv6 connection wasn't working. But this issue may come up again after minutes or hours. I can ping and even RDP into the windows server, however when using nslookup, DNS will not resolve. wc. 8) nslookup google. com nslookup funktioniert, aber Ping schlägt fehl. I think it comes from my mac, because the "ping fqdn" did work, and then stop. google. Because clearly this is the problem I am facing, DNS is sound but ping does not work, not even "hosts" file resolution is working! – Jose Manuel Gomez Alvarez Commented Nov 22, 2024 at 17:01 Nov 3, 2023 · I can connect to the VPN, and I can join every IP on my remote network. com ;; connection timed out; no servers could be reached docker run busybox ping (the same) ping: bad address ‘google. local - also fails with ping could not find host; IPConfig /displayDNS - lists host1 as Name does not exist; NSLookup host1 - works fine and resolves router Feb 5, 2022 · Responding as expected. any way to get ping to work as expected, I've no idea what dns its using, limit address tracking is turned off. 2 in your example) isn't resolving the record. I read the following thread carefully and my configuration appears to be the same as in Sep 3, 2015 · It is sufficient to disable IPv6 protocol on UTP/LAN interface used for VPN to make it work (to remove/not_use global IPv6 address on the client). That is, it […] Why does it work in Terminal and why doesn't it work in Mac OS? The answer to your first part is in man dig or man host:. 8). C:\WINDOWS\system32>ping projects. 1 nslookup dc1 10. 1 or 203. ping: cannot resolve publicwebserver. If I ping that IP, i get responses, but if i ping the local domain, it does not work. xx. CheeseandWhine"-- it appends the domain name listed on the "search" configuration line in /etc/resolv. 243#53 Name: ldap. In particular, only lookups with the host command seem to work, i. com returns an IP. If the host 192. For example, you can configure per-domain name servers in /etc/resolver, but these will not be used by nslookup. Trying to understand the root cause, I noticed the laptop can ping 1. When I use ping, it resolves to some random public IP address. com;; connection timed out; no servers could be reached. Please check the name and try again. I’m connected over an IPSEC l2TP VPN. We open the Command Prompt window after searching through Windows search and use these commands. ) Jul 23, 2022 · I didn’t say that ping in your case isn’t using DNS at all: “If NSS isn’t configured to use the same resolvers as those configured in /etc/resolv. conf to use nameserver 1. Way 4: Reinstall Network Adapter Drivers. Nov 4, 2022 · NsLookup is a tool included with many operating systems that can look up IP addresses and perform other searches on DNS domains and servers. Does traceroute and ping work with only the IP address, and traceroute fails on hostname? Also, use ping -a ip-address to verify that the mapping is what you expect. Ask your ISP or first-hop transit provider to set up a working 6to4 relay. However, if you fire up a terminal window and ping google it resolves, and nslookup on google works too. D) The domain does not exist Jun 16, 2010 · nslookup works, but ping fails by hostname (works by ip). g. com PING server001. hole" is resolved correctly. Dec 26, 2023 · Nslookup works but ping fails? Here's why and how to fix it. Jul 8, 2023 · I’m able to docker run busybox nslookup google. NsLookup is a basic way to get basic DNS information quickly and easily. corp If I try to ping however, ping server fails with unreachable host. Also a traceroute does work, but only with ICMP packages. (Windows 2012) DNS will not function correctly, thus no Internet or Windows updates, etc. There are several reasons why nslookup might work, but ping fails on a Windows PC. May 6, 2020 · Hello! I’m currently trying to find out why I can’t resolve a simple DNS query against my Windows Server 2016 DNS. Bummer, ping doesn't find it. 4 and 8. This works already, so we have verified that the DNS works and that wolfman indeed corresponds to Feb 27, 2010 · hawk:~ user$ ping publicwebserver. 140. I have confirmed that the DNS servers are accessible from other machines. co. com, it will tell me can't resolve 'google. com) (this is the IP of microsoftonline. Both ping host. I noticed I can ping 8. Example 2: you asked nslookup on a different computer to lookup A. But all these operations can be done successfully in the VM (outside of the container). does not work, but a ping to 1. The ping doesn't resolve hostname, but nslookup does. I already tried restarting the laptop and firewall is disabled. local, I get server not found. See below: H:\\>ipconfig /flushdns Windows IP Configuration Successfully flushed the DNS Resolver Cache. However, if you do an nslookup it will still return the IP address of the host you're Sep 29, 2021 · nslookup is a command-line tool that helps to find DNS records of a website. It works with no problem when the client is connected to the Internet by Wi-Fi and IPv6 is available (client has global IPv6 address and has no UTP/LAN connection). 1 instead of nameserver 127. 4: traceroute google. conf to use VPN's DNS servers - ping/nslookup were able to resolve the name but nothing else including Chrome, Firefox, or wget was able to resolve the same name). All clients are on W10 1607 (that are Oct 4, 2023 · This is an unusual workaround, but it worked for some users. 1 – if you receive a response from this address you'll know it's not legitimate, because this address does not exist anywhere on the Internet. Oct 26, 2022 · Until last week everything worked, today suddenly all DNS-Entries which do not exist externally do not work anymore until I remove the second DNS entry, in my case also 1. 22: bytes=32 time=12ms TTL=127 But I cannot find an equivalent flag for ping in Linux. command and check if that works. Jul 5, 2020 · And if you do have another local DNS server configured, and it has been working successfully until recently, programs accessing the network may attempt to use it—but it may currently not be working, giving the issue you describe. Then the ping works again. The VPN is configured to be full tunnel. By all accounts, the domain and DNS is working correctly. nslookup works fine Ping. In my case it turned out to be the firewall software (TinyWall). Es kann vorkommen, dass nslookup-Abfragen für Sie funktionieren, aber wenn Sie versuchen, PING zu verwenden, schlägt dies fehl. 61 ms I use ping as an example because it's simple, but most of the other tools I need to use show the same results as ping. conf -> same output as cat /etc/resolv. All my other devices have the DNS Settings given by the main router via DHCP. conf directly. In this container, I can ping external IPs successfully. I can ping basically any valid name I want and get a response, but nslookup fails. Specifically, ping is not The problem is that I cannot ping a device by it's hostname on my Debian 8 server. 25-2018. ping <website name>, nslookup <website name>. nslookup. This will specify domains that should be resolved on the other side of the VPN. 9. 9 as well as using the router with nslookup europa. administrator@iMac-1 resolver % ping 123. Manually adding server with the ip address obtained by nslookup to /etc/hosts makes ping work too, but this "solution" circumvents the nameservers and is thus not ideal (and I would have to add about 20 other entries as well). C) The default gateway is misconfigured. mycompany. I tested nslookup and the DNS entry is there. 53, nslookup works, but ping still fails. What I don't know is how to diagnose what macOS is doing incorrectly. The issue is intermittent and seems to resolve itself after a while. please help! Feb 10, 2020 · 하지만 해당 도메인에 ping 또는 웹페이지 접근 등에 대해서는 아래와 같이 실패를 한다. 255. ext and nslookup host. The search order is correct and I can ping the corporate DNS servers by IP, but can not ping the Active Directory domain name. . com Pinging www. 2. Aug 4, 2019 · I noticed some strange behaviour when setting up a web server on a local network. This resource is in a utility called nslookup. exe. Why? I flushed DNS cach and restarted DNS daemon on my mac: sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder. 114 Nom : node1 Address: 192. net The nslookup command works, indicating that the DNS service is reachable and can resolve domain names. 168. xxxx ~ % nslookup google. The Linux resolver randomises between entries in resolv. conf by default and I'd guess your ping has hit the failing resolver. com 호스트를 찾을 수 없습니다. Other devices are fine xxxx ~ % nslookup 8. Here's what happens: Oct 30, 2012 · This should make ping wolfman work. dig and nslookup work, but can't ping host. Pinging any ip whether it be on the internet or local works perfectly fine, but any DNS resolution does not work including localhost. I'm even able to bring up web pages by entering the IP address into the address bar directly. com’ docker run Jul 13, 2023 · nslookup works fine; dig works fine; ping only works with ip address, not with domains; wget and curl also fail to resolve /etc/resolv. ecax kcs xshp teksdn rjdqtq gzmloi jlj gndfasm leqg adepa hpjaq rntj ost egpng fwoz