Questions tagged [nslookup]
nslookup is a utility to query DNS name servers
19
questions
25
votes
2
answers
33k
views
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 ...
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?
...
2
votes
1
answer
2k
views
DNS resolve timeout on RHEL 6.3 behind firewall
I have a server running Red Hat 6.3 Enterprise inside a VMWare virtual machine. There's a Juniper SSG 5 firewall sitting between the server and the Internet. I'm trying to diagnose what it looks like ...
15
votes
1
answer
32k
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
...
9
votes
4
answers
74k
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 ...
1
vote
1
answer
916
views
8.8.8.8 returns NXDOMAIN randomly for all our subdomains
Our customers make quite a few domain checks towards Google public DNS with the following domains <userid>.sip.teltel.io, but they often fail. To others, like Cloudflare it is always successful.
...
191
votes
5
answers
455k
views
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, ...
36
votes
5
answers
124k
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
117k
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 ...
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 ...
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 ...
3
votes
5
answers
946
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 ...
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
1
answer
199
views
Do I have to own my domain before attempting to connect to my domain controller?
I am in the process of purchasing a domain, but I do not own it yet. I setup my domain controller as internal.domain.com.
The problem I'm running into is in connecting my workstations to my domain. I'...
0
votes
2
answers
4k
views
NSLookup Requires "." in all queries
I am not sure what happened but after reinstalling Windows DNS (server 2012 r2), when I do an nslookup and enter any domain it appends my domain to the end. For example:
I enter "microsoft.com" and ...
0
votes
1
answer
590
views
Why do nslookup result differ when adding www? [closed]
See image above depicting different results for google.com and www.google.com.
Any ideas why nslookup is behaving this way ?
0
votes
5
answers
5k
views
NSLOOKUP and NBLOOKUP give one IP address; PING finds another
In a Windows Server 2008 domain the on-site domain controller serves as both DNS and WINS server. It is also a DHCP server. One workstation is used as a platform for all admin of the various servers ...
-2
votes
1
answer
3k
views
nslookup does not work on certain IP address [closed]
when I gave nslookup 74.125.236.200
Server: 192.168.5.11 Address: 192.168.5.11#53
Non-authoritative answer:
200.236.125.74.in-addr.arpa name = maa03s17-in-f8.1e100.net.
...
-2
votes
1
answer
363
views
nslookup returns different IP than $_SERVER['SERVER_ADDR']
Without knowing much about system administration, here is in short what I noticed:
running nslookup the-site.com returns some IP
but
running $_SERVER['SERVER_ADDR'] on that site returned different IP.
...