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Questions tagged [nslookup]

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Why has one PC suddenly become unable to see one one particular website?

The website is bitbucket.org. I only noticed when a push timeout out. The issue is only on one PC (Win10). Chrome, Firefox and Edge all have the issue. All other PCs' on the network, and an iPad, ...
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1answer
222 views

How do I block domains using the hosts file on Windows?

I used to block domains on Windows using the hosts file like the following: 127.0.0.1 www.cnn.com However, now it is not working and the domains are resolving. $ nslookup www.cnn.com Non-...
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1answer
51 views

How come this query shows the same address for non-authoritative answers and authoritative answers?

So, if i query slash16.org: nslookup -type=ns slash16.org Non-authoritative answer: slash16.org nameserver = ns-686.awsdns-21.net. slash16.org nameserver = ns-1989.awsdns-56.co.uk. slash16.org ...
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1answer
34 views

nslookup works on 5GHz network but not 2.4GHz

We recently had a power interruption, and our wifi thermostat now has intermittent connectivity. I contacted the thermostat manufacturer, and they said that nslookup has to work for the thermostat to ...
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1answer
1k views

Using nslookup with google IPv6 DNS?

I am trying to use nslookup to query google.com with 2001:4860:4860::8888, which is google IPv6 DNS. But I get no response, eg connection. always times out. When I try same procedure just as DNS put ...
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0answers
152 views

DNS not working properly on OSX

20:40 $ nslookup imap.gmail.com Server: 2605:e000:1124:841e:d203:4bff:fe5c:70d2 Address: 2605:e000:1124:841e:d203:4bff:fe5c:70d2#53 Non-authoritative answer: imap.gmail.com canonical name = ...
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2answers
368 views

NSLOOKUP fails while ping -a and Resolve-DnsName -DnsOnly succeeds

I am trying to complete an nslookup for a number of hosts on an affiliated domain, but all nslookups fail. The usual explanation is that the connection is due to NetBIOS however in this case Resolve-...
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1answer
412 views

Why is “dig localhost” so much quicker than “nslookup localhost”?

When looking up the address for localhost, nslookup localhost takes ~15 seconds: $ /usr/bin/time nslookup localhost ;; connection timed out; no servers could be reached Command exited with non-zero ...
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1answer
505 views

LLMNR vs DNS - Why is 'ping' using llmnr instead of dns, unless I append a '.' to the hostname, and why is llmnr not working?

I am operating on a LAN closed off from the internet, and there are a few devices (A, B, C, ...) connected via ethernet cable to a single router making this LAN possible. Operating system on all ...
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0answers
533 views

Why does Chrome take longer to resolve new DNS entries when ping and nslookup works immediately?

I have an internal DNS server with a TTL set to 300. Whenever I add a new host, the command line ping and nslookup commands work immediately and resolve the new address without issue. However in ...
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0answers
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How to set up DNS server on same machine as web server?

I'm trying to set up a DNS server on the same box as my web server. I have been following this tutorial and others like it but none of them describe what to do if the DNS server is going to be on the ...
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1answer
13k views

Why does nslookup return “DNS request timed out”

I was using a public computer on some public network and wanted to see how nslookup worked there. I tried set type=ns for some web-site and got this message: DNS request timed out. timeout was ...
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2answers
159 views

A weird IP with ping: different from nsLookup IP: different from actual IP

On another PC Can Google remote desktop into AcerDragon. But when accessing it via network, it cannot be found. C:\>ping acerdragon Pinging acerdragon.home **[192.168.1.9]** with 32 bytes of data:...
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1answer
970 views

How can I successfully lookup hostname from an IP, but not vice versa?

Have a look at the following commands and their respective outputs: $ nslookup 202.83.21.28 8.8.8.8 Server: google-public-dns-a.google.com Address: 8.8.8.8 Name: broadband.actcorp.in Address: ...
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1answer
273 views

DNS / Split Zone Environment

i'm trying to configure a domain environment which has same internal and external domain name. Say - Internal -- aishwarya.com = 192.168.50.100 External -- aishwarya.com = 185.85.85.85 i've some ...
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1answer
1k views

NSLookup in PowerShell always throws RemoteException error

When I run nslookup from a PowerShell script, I always get an error (which is output to the console) despite the fact the lookup succeeds: PS C:\Windows\system32> $MyOutput = nslookup -q=SOA ...
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0answers
109 views

nslookup issue in Linux

I want to check the host name of particular IP using nslookup in Linux. When I try to execute nslookup X.X.X.X the following error is showing, ** server can't find X.X.X.X.in-addr.arpa.: NXDOMAIN ...
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0answers
160 views

nslookup change standard server permanently

I've configured bind 9 in my local network environment to make management of servers a bit easier. However, nslookup requires the manual option of "server={x}" in interactive mode, because the default ...
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1answer
2k views

Can connect to port 53 but nslookup fails

Trying to get my DNS back up and running after my server was shut down for a week. My issue is that I can ping / telnet port 53 fine from the outside world, and I can nslookup fine from inside the ...
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2answers
1k views

nslookup returning local router name and address

I am using nslookup to query external servers such as google.com, but when I do this what I am getting back is my router's name and IP address. Nslookup response after hitting google.com $ ...
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1answer
7k views

nslookup DNS query won't display authoritative answer

I am trying to get the authoritative DNS servers for a server in Europe per my assignment instructions. I looked up how to do it and got two different ways. One is: nslookup -type=soa ox.ac.uk And ...
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1answer
829 views

NSLOOKUP returning 2 IP Address

When I do nslookup, it is returning my own DNS and the IP address of the server that I'm doing nslookup. How can I avoid it printing my own DNS server? @echo off for /f "tokens=*" %%A in (servers....
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3answers
728 views

How to you override the default dns configuration in ubuntu so that nslookup returns static values?

The nslookup, dig and ping return different values for me. I want foo.bar.name to always resolve statically to localhost on my machine. I used the command host foo.bar.name and edited /etc/hosts to ...
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3answers
3k views

NSLookup Has Stopped Working (Won't Start)

NSLookup on Windows 10 x64 (10.0.14393) cannot be started anymore. Earlier today, I would be greeted by the prompt after running nslookup from CMD. Now, I am greeted with this screen: The program ...
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1answer
369 views

Difference between Mac OSX nslookup and resolveip

I assumed nslookup would either error when looking up non internet names or would give the correct answer but I'm confused by the following behaviour. Have I misunderstood how to use it or its output/...
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2answers
2k views

Ping resolves hostname but can't access website

I'm having an issue with a Windows Server where it can ping a specific hostname but has no HTTP access to it. The server does have internet connection (google.com, superuser.com, etc), it's only two ...
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0answers
266 views

Error message “You were not connected because a duplicate name exists on the network”. Where is the other computer?

I'm having a very similar problem as in this similar question: When trying to copy something from another computer, I receive following error message: You were not connected because a duplicate name ...
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2answers
382 views

Understanding Nslookup root=NAME

Good day, the task to describe what makes the parameter Root nslookup utility. The problem is that when I try to change something with the aid of this parameter, then get back "Unrecognized commands""...
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2answers
1k views

Why NSLookup is giving different result than Ping?

Let me confess, stupid question. but its not a duplicate question. I was trying to see what is IP address of some server (its a local server, within LAN). when I simply did, 'Ping someServer' I got ...
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0answers
411 views

ip address range of the google.com to configure firewall

I would like to know the ip range of the google.com to configure firewalls. I found this article https://support.google.com/a/answer/60764?hl=en but it doesnot help either. How can i find complete ...
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1answer
4k views

What is responsible mail addr record?

I've been searching in google but I couldn't find documentation about it. E.g, using "nslookup" for look into soa registry of google.es you can see how responsible mail addr has the value of "dns-...
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0answers
103 views

dns behavior on home network

I set up bind on 192.168.0.1 machine. Also, I have subscribed to a domain service, so I use mydomain.net (sanitized name) for the FQDN in my home network. When I do an $ nslookup "name of 192.168.0....
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1answer
123 views

Weird NSLookup Output

I'm attempting a lookup of authoritative DNS servers for class, and I'm currently turning up blanks even after requesting soa. Couldn't find any other posts on this, but a few kids in my class were ...
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1answer
714 views

NSlookup of static IP showing computer name from DHCP range

I am part of a network with 60 or so maximum devices. Just a class C subnet where x.x.x.1-100 are statically addressed hardware. 101-150 are also statically assigned addresses for thinclients and '...
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1answer
621 views

Can telnet but nslookup fails

The problem is exactly as described in the title... I'm puzzled. I've seen the opposite many times, but this... So once again, just to confirm: C:\users\274400>nslookup SERVERNAME Server: ...
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1answer
1k views

nslookup times out when result is 127.0.0.1

I have set up a subdomain with an A record of 127.0.0.1 (set up more than 24 hours ago at the authoritative server, just like how I would set up a normal subdomain) for the sake of development. Let's ...
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1answer
5k views

Why does nslookup give NXDOMAIN but dig works fine?

I don't see an exact answer for this elsewhere, so I'm going to be brave and ask here. I have a linode and have set up a DNS A record for my host which I'll call A.wc.net. When I look it up using ...
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2answers
7k views

nslookup command showing error “connection timed out, server not found”

I am working on linux fedora and trying to learn use of nslookup. I run the command nslookup. It showed me dns server. when i run nslookup mail.yahoo.com, it works fine in that case also. but when i ...
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0answers
466 views

How to set DNS IP address using Windows Server 2008

I am using Windows Server 2008 and set the DNS IP address to 192.168.2.10 From my Ethernet adapter properties (Internet Protocol Version) but when type nslookup is shows 127.0.0.1 which is default DNS ...
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1answer
1k views

nslookup different results using same dns server?

My understanding of nslookup is when you tell it what DNS server to use you are bypassing the NIC's defined DNS server, right? Here is an example, when I run nslookup from home: nslookup - 8.8.8.8 > ...
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1answer
1k views

List all entries (Machines and IP) in local DNS? Basically nslookup for all machines

I'm hoping someone can help. I'm struggling to work this out and hope that there is a simple way around it. I'm trying to get a list of all machines in a local DNS server. For the purposes of my ...
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1answer
116 views

Why does “nslookup com” returns this IP?

I'm learning about DNS, so out of curiosity I typed: nslookup com And this is the output: Server: 192.168.1.1 Address: 192.168.1.1#53 Non-authoritative answer: Name: com.domain.name ...
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1answer
791 views

Trouble resolving hostnames with arp -a

I'm trying to lookup hostnames of computers on the same network as me. Sometimes when I use arp -a I get a question mark (?) for the hostname. I've tried using nslookup xx.xx.xx.xx and host xx.xx.xx....
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1answer
102 views

Restarting BIND service getting error

When I restart the BIND service getting this error from syslog named[4960]: /etc/bind/named.conf:15: couldn't add command channel 127.0.0.1#953: address in use Even when I execute nslookup 10.5.5....
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1answer
2k views

Difference Nslookup vs. ping -a

We are trying to setup reverse look-up zones in our Windows environment. Prior to setting up the zones, nslookup would fail to resolve an IP to hostname. Oddly ping -a would resolve a hostname. ...
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1answer
1k views

Ping/nslookup working but telnet/browser fails

Having a problem on several systems. Ping, nslookup and tracert all work as expected but the browser and other applications including telnet are unable to get any internet access. The problem is not ...
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1answer
1k views

What does nslookup -type=ns really do?

I know my question is a newbie answer. I been looking at the websites, but I can't really get a good answer or at least an answer that I can understand. So lets say I type in 'nslookup www.mit.edu'. I ...
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0answers
1k views

PING domain is very slow but NSLookup is instant, website takes a long time to appear

My Internet is behaving very strangely the last few days, DNS resolution is very slow, PING domain can take a minute - sometimes the there's no delay for a period of time. PING IP address and ...
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2answers
3k views

NSlookup and linux Dig

On linux I can list all entries in the DNS table ending with "80" using: dig axfr my.domain | grep 80 How do I do that with NSlookup on windows? I have tried starting NSlookup and typing ls my....
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2answers
2k views

How to get a list of domains blocked by my ISP/MikroTik router?

As imposed by my government, my ISP blocks some sites, like Facebook and YouTube. The ISP's MikroTik device redirects the blocked websites to a local IP address (192.168.222.66), which says that the ...