Questions tagged [nslookup]
nslookup is a utility to query DNS name servers
223
questions
190
votes
5
answers
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DNS - NSLOOKUP what is the meaning of the non-authoritative answer?
For some domains nslookup gives me a Non-authoritative answer section. What does this mean?
Got answer:
HEADER:
opcode = QUERY, id = 3, rcode = NXDOMAIN
header flags: response, ...
54
votes
7
answers
303k
views
How can I find the LDAP server in the DNS on Windows?
For Linux, this command should return the DNS record for the LDAP server
host -t srv _ldap._tcp.DOMAINNAME
(found at Authenticating from Java (Linux) to Active Directory using LDAP WITHOUT ...
42
votes
7
answers
34k
views
Why can host and nslookup resolve a name but dig cannot?
Can anyone tell me why this is happening? 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
...
36
votes
5
answers
120k
views
List TXT records for a domain with Windows nslookup
I want to inspect TXT records for my domain, such as SPF records. I tried the following command with nslookup but it didn't list the TXT records:
nslookup -type=TXT example.com
What is the correct ...
27
votes
5
answers
115k
views
How to find all hostnames in DNS attached to one IP?
If I have multiple hosts configured on one machine (a la apache's VirtualHosts), how can I do a lookup on the IP and find all domains configured to reach it?
For example, I have several web and email ...
25
votes
3
answers
142k
views
nslookup for SRV records (or any non-A records) in non-interactive mode
Is the anyway to run nslookup (Centos 5 or Windows) such that it will look up record types other than A, without having to go to interactive mode and using set type=? For example, I'd like a command ...
25
votes
2
answers
23k
views
SOA and Primary NS record (DNS)
The brunt of the question is this -- What is the relationship between the primary nameserver specified in the SOA record and the nameservers specified in the NS records. How are these things linked?
...
24
votes
2
answers
32k
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How is DNS lookup order determined?
For example: we have registered domain name domain.com and added
name server records at the registrars server:
ns1.domain.com.
ns2.domain.com.
ns3.domain.com.
Than we look up for domain.com. We get ...
20
votes
4
answers
59k
views
Find out which DNS server answered your query
I have a seemingly simple question but couldn't find the answer to precisely that question after some search:
I know that, if I want to look up the IP address of some domain name, I type, for example: ...
19
votes
2
answers
969
views
Multiple reverse DNS record internal DNS
A user was having trouble connecting to the internet, some sites worked some sites did not.
I do not think it has anything to do with networking gear, but just in case.
2 firewall, Palo-Alto
4 ...
16
votes
5
answers
134k
views
What can cause a DNS lookup to ignore a hosts file entry?
I'm having a DNS resolving issue that is affecting the performance of my locally hosted web site when browse it on my local machine. If I attach my network's DNS suffix to my local machine name when ...
16
votes
3
answers
190k
views
What does "Default Server: Unknown" mean for Windows nslookup
I'd like to solve a question with your kind help, about nslookup on Windows. Please see my CMD commands below(run on WinXP SP2).
C:\>ipconfig /all
Windows IP Configuration
Host Name . . ....
13
votes
1
answer
30k
views
Nslookup not using hosts file
So I've set public IP on the hosts file for a certain public IP address, but it picks up private ip from nowhere or from DNS.
Content of windows hosts file C:\Windows\System32\drivers\etc\Hosts
...
12
votes
4
answers
48k
views
DNS searching with wildcards?
Anything like nslookup or dig offer the ability to search based on something contained in the name ... like a wildcard search or something?
I'm trying to make a little script with a GUI wrapper for ...
12
votes
1
answer
7k
views
What does #53 mean in nslookup nameserver address result?
When I run this:
nslookup some.host.com
I get results like this:
Server: 4.2.2.1
Address: 4.2.2.1#53
Non-authoritative answer:
Name: some.host.com
Address: #.#.#.#
"4.2.2.1" is ...
11
votes
2
answers
16k
views
How can I verify Windows DNS forwarders are working?
I thought I knew how to do this, but I guess not.
Even the d2 debugging in nslookup doesn't show the actual forwarder being queried.
So...let's say I set up DNS forwarders in a Windows DNS server ...
11
votes
3
answers
135k
views
Finding all aliases for a server
Our network admin is away at the moment. I'm trying to find all aliases attached to a given server on our network (actually a number of servers)
After googling around it seems like nslookup might do ...
10
votes
2
answers
11k
views
My domain on AWS Route 53 wont propagate
Hi have created a record set for the domain:
lazycatthemes.com
on Route 53 (domain was purchased through route 53) and gave it the 4 NS settings that Route 53 told me to configure:
ns-368.awsdns-46....
9
votes
4
answers
72k
views
DNS can't resolve hostname; nslookup can
I have a user on Windows 7 that is trying to access a local server with a DNS name of windows.cs. We have two internal DNS servers. The DHCP server assigns users the two internal DNS servers as ...
8
votes
2
answers
1k
views
How do I figure out what's wrong with my DNS record?
My network admins have created a DNS record for thedigitalteacher.com which should include an A record for the domain root pointing to 5.10.124.142, which is indeed the response I get if I use our ...
8
votes
1
answer
11k
views
Why do dig, host and nslookup return different results?
It seems my default (router) DNS server returns different results depending on the tool used to query it.
Using dig:
$ dig @192.168.1.2 test.example.com
; <<>> DiG 9.16.8-Debian <<&...
7
votes
1
answer
23k
views
Why does nslookup return two or more ip address for yahoo.com or microsoft.com?
I am newbie with dns
What is the exact reason that some sites report two or more ip address while others report single ip?
1) Is it feature or error in configuration?
2) Is it something related to ...
7
votes
1
answer
48k
views
How to get authoritative answers from nslookup? [closed]
Why is it "Non-authoritative"? Even when I look for yahoo.com ip with ns3.yahoo.com I get Non-authoritative answer.
Why does a yahoo server keep stackoverflow's ip? From where do I get stackoverflow'...
7
votes
1
answer
27k
views
Why is nslookup reporting two IP addresses?
I made a DNS change a few hours ago and I just ran the following command with the following output:
nslookup mydomain.com ns1.mynameserver.com
Server: ns1.mynameserver.com
Address: 111.111.111.111
...
7
votes
5
answers
35k
views
Ping hostname works but nslookup to hostname doesn't
I have a Windows 2008 standard server which can ping by hostname and give me the proper IP address back however if I try to do an nslookup on the hostname I receive:
server: nmgdc1.nmg.local
Address ...
6
votes
3
answers
6k
views
Simple dig output?
In a script I want to be able to write an IP address to somewhere easily, so I thought using dig (or a similar command) with back-ticks.
However the simplest output I've been able to come up to wrt ...
6
votes
2
answers
7k
views
Why is nslookup and dig giving me a "Warning: ID mismatch ... got 0" error?
I'm trying to troubleshoot some persistent connectivity issues and I'm frequently getting the following error message when using dig or nslookup.
bash$ nslookup
> www.google.com
;; Warning: ID ...
6
votes
1
answer
22k
views
Ubuntu DNS Lookup Failure
Some one installed and configured ubuntu on a virtual machine hosted on a machine in our network. I've recently noticed that all DNS lookup's fail but i cant find a solution to this. I've tried a ...
6
votes
0
answers
14k
views
OSX nslookup can resolve a lan hostname, but ping cannot? [closed]
I'm having an issue which recurs every few days, whereby ping cannot resolve a hostname on my LAN (but nslookup is able to).
This is on OSX 10.9.2 (latest).
The machine in this case is called 'solo',...
5
votes
2
answers
21k
views
IP address used by nslookup and ping is different
I have a web server hosted in the network. It has a domain name registered. However, I also host a DNS server for the LAN. So, when someone wants to access the web server, it would check the DNS ...
5
votes
1
answer
12k
views
Resolve hostname without FQDN
I'm trying to configure Bind for internal LAN usage only (Linux server, Windows clients) and I would like to resolve workstation both by fqdn and shortname.
For example, without DNS server, supposing ...
5
votes
1
answer
14k
views
Can't resolve local IP using remote dns server
I'm trying to do something I thought would be pretty simple.
Mapping local.mydomain.com to 192.168.0.1 using my registrar's DNS server.(namecheap.com)
I've added an A Record for local with value of ...
5
votes
4
answers
16k
views
Determine if DNS server is master or slave with DiG
Is there a way to use DiG or nslookup to determine if a server is set to Master or Slave? And if a server is slave, return the Master's IP address?
5
votes
1
answer
60k
views
server can't find XXX.in-addr.arpa: NXDOMAIN
I am facing a problem while configuring BIND DNS showing server can't find XXX.in-addr.arpa: NXDOMAIN while reverse dns check!
everything works on forward DNS lookup but reverse DNS lookup fails. ...
4
votes
2
answers
3k
views
What are all the possible causes of the "An Active Directory Domain Controller (AD DC) for the domain ..." error message?
Earlier I was having issues connecting one of my workstations (client) to my domain, and I thought it was because the domain was not in my possession yet (reference: this question). But, due to the ...
4
votes
1
answer
20k
views
How do I fix name-server "mismatched NS record"?
I am a beginner here, so please be easy on me.
I have bought my domain name from a local registrar of my country(mitsu.in) and bought my domain name www.ashurocks.in from there for about 8 months ago....
4
votes
1
answer
1k
views
My Vista's nslookup returns an ipv4 address for an ipv6 site
the command:
nslookup ipv6.google.com
doesn't work quite well. somtimes it returns an correct ipv6 address, sometimes it returns an ipv4 address.
How can this happen?
[im using OpenDNS]
much ...
3
votes
2
answers
22k
views
nslookup not resolving hostname
I can't seem to get nslookup to resolve correctly.
Here is my hosts file:
[root@clc-host ge2011.11]# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 ...
3
votes
5
answers
911
views
Detecting what causes the delay between entering a domain name and load of the page
My website takes awfully long time after entering the domain name and before the content starts showing up.
I assume this is something to do with the dns resolution or the networks.
How do I go about ...
3
votes
1
answer
5k
views
Route53 subdomain not resolved with nslookup
My problem
I am trying to build a personal CDN to share static file with my contacts. The design includes an S3 bucket, a CloudFront distribution and a subdomain registered via Route53, all ...
3
votes
3
answers
5k
views
Strange redirect to localhost! http://dp.000.in/?
I just accidentally typed imadb.com and after 2 redirects (I think) I ended up at:
http://dp.000.in/
You can imagine my surprise when I noticed I was seeing my webpages on my local host!
Can someone ...
3
votes
1
answer
3k
views
Google Public DNS is returning a SERVFAIL for my domain
Hope some one will help me in resolving the issue. My Domain name is "prohosterz.com"
Google Public DNS is returning a SERVFAIL for my domain:
$ dig prohosterz.com @8.8.8.8
; > DiG 9.9.2 > ...
3
votes
1
answer
2k
views
Trying to understand DNS resolution inconsistency
I'm using a DNS issue I've run into to help me understand DNS resolution better. I can't seem to figure out the inconsistency I'm seeing when resolving www.fandompost.com. At the top of my query list ...
3
votes
1
answer
22k
views
DNS lookups with/without recursion in NSLOOKUP
I am playing around with NSLOOKUP trying to learn about recursive DNS lookups. I am looking up a bogus host name and I seem to be getting the same results whether I enable or disable recursion.
With ...
3
votes
1
answer
3k
views
Cannot find solution to "One or more of your nameservers did not return any of your NS records." on intoDNS site
I have set up DNS on my Linux Centos server and when I test on this site I get the following errors:
WARNING: One or more of your nameservers did not return any of your NS
records.
ERROR: ...
3
votes
1
answer
8k
views
dig succeeds, nslookup fails (with dnsmasq as the server)
I installed dnsmasq on a machine of mine (It's a Kubuntu 12.04 LTS), backed only by /etc/hosts (no connection to the Internet until later). Now, if I dig mymachine, I get 192.168.0.1, but if I try to ...
3
votes
0
answers
440
views
Different nslookup answers on different clients in local network with local DNS
Situation:
I have a few clients in a local network.
I have a server named amp003 with IP address 192.168.4.13
I have two DNS servers (each one on relative DC server).
On client 1 I did following:
...
2
votes
3
answers
4k
views
Why does "nslookup -type=mx YAHOO.COMYAHOO.COMOO.COM" return a valid mail exchanger?
For the first one it returns:
Non-authoritative answer:
YAHOO.COMYAHOO.COMOO.COM MX preference = 5, mail exchanger = mail.h-email.net
Also if you just duplicate the tld like
C:\Users\dmorri>...
2
votes
3
answers
17k
views
nslookup fails but ping succeeds for nonexistent domains
I have two different FreeBSD servers (different hosting companies), both exhibit this same behavior: They pick a specific IP address (216.239.120.238) for every domain that does NOT exist.
nslookup ...
2
votes
3
answers
323
views
How to get pairs of name server - ip for some domain? [closed]
I want to get pairs of name server - ip for some domain. For example, there is serverfault.com domain. I want to get:
NS1.SERVERFAULT.COM - 198.252.206.80
NS2.SERVERFAULT.COM - 198.252.206.81
Is it ...