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0
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0answers
1k views

Cannot Ping or Resolve DNS Internally; Externally works fine

I have an issue where I cannot seem to access a subdomain from within the same server: I can ping, nslookup, etc subdomian.domain.com externally, but from within the server where subdomain.domain.com ...
0
votes
1answer
155 views

nslookup Returning Domain that is a Subdomain of some Default

I'm the owner of a hypothetical domain name, XYZ.com. I have an LXC container setup that exhibits an undesired behavior: $ nslookup non-existent-domain-12345.com Name: ...
0
votes
1answer
858 views

nslookup cannot resolve hostname for machine on external domain from internal domain

Keep in mind, this issue is exclusively for Windows platforms. For a particular company, they have an internal and external domain. One is behind the firewall, and one is in front. I am sitting on ...
-4
votes
1answer
931 views

Unable to change the workgroup of the server to domain name [closed]

I am unable to change the workgroup of the server to my domain name on the DC The following is the error i get... Note: This information is intended for a network administrator. If you are not ...
0
votes
4answers
1k 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 ...
0
votes
1answer
156 views

nslookup ambiguous results ok after change dns records?

I've never changed public dns records before, I'm not really sure if this is normal because of DNS cache or if It's a real problem so I need your help. 8 hours after I changed the A record of the ...
2
votes
3answers
5k 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 ...
0
votes
1answer
185 views

nslookup and host(linux) shows 2 ip's for some computers but not all

First off I will mention that I am a software engineer not an IT guy, so please bare with me. My company has an ftp server. Outside of our network, it works fine. Inside of our local network some ...
0
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2answers
188 views

I keep getting this when typing in nslookup. I`m also having problems connect desktops to domain

I`m trying to connect a server my current domain. So far I just have server 2003 on the system with no roles. This server will act as a backup or a application server in the future. My other server ...
-1
votes
1answer
2k views

nslookup: non-authoritative answer

When I nslookup behind our firewall i got Non-authoritative answer like this Non-authoritative answer: Name: sitius.com Address: 173.44.39.70 but if i nslookup from public internet access i got ...
3
votes
2answers
1k 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 ...
1
vote
1answer
445 views

nslookup filter only nNon-authoritative answer answer

I want to filter out Non-authoritative answer Address information if it exists so that in response I would get only "127.0.5.0" and nothing when there is nothing returned. Here is example: ...
1
vote
1answer
6k 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 ...
0
votes
2answers
100 views

Testing new nameservers using dig

I have a domain, example.co.uk, and it has its nameservers registered with the registrar as current-nameserver.co.uk. It has a TXT record with value ORIGINAL. I decide to change DNS providers to ...
4
votes
2answers
2k 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 ...
2
votes
1answer
108 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. ...
0
votes
1answer
2k 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 ...
0
votes
1answer
1k 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 ...
0
votes
2answers
160 views

www.nanog.com resolves to localhost [closed]

By mistake typed www.nanog.com while trying to visit http://www.nanog.org/ and landed to localhost. The url www.nanog.com resolves to localhost somehow, even with google's DNS server. Just for ...
-1
votes
3answers
610 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 ...
-2
votes
1answer
1k views

Nslookup - Querying my Internet Provider [closed]

I'm trying to nslookup all records of my internet provider, but it's returning "Result too large". I'm using the Windows nslookup.exe. example: nslookup.exe >server ns1.brtel.com.br >set ...
6
votes
2answers
3k 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 ...
2
votes
1answer
3k 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 ...
0
votes
3answers
683 views

Reverse Lookup in Linux - Trying Next Server on NXDomain

I have an application on a Linux box that uses reverse lookup to resolve hostnames. The problem is, I have two sets of DNS servers in my resolve.conf (4 servers total), with each set corresponding to ...
36
votes
2answers
80k views

DNS - NSLOOKUP what is the meaning of the non-authorative answer?

When I do a NS Lookup, for some domains I get the reply saying Non-authorative answer:. I want to know what it means? Got answer: HEADER: opcode = QUERY, id = 3, rcode = NXDOMAIN ...
3
votes
2answers
4k 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 ...
1
vote
1answer
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 ...
0
votes
2answers
2k views

Intermittent DNS failure

Currently, I am struggling with a problem causing one of our servers to lose its DNS access in irregular time intervals. The symptoms are that, for some minutes, any call to nslookup fails with error ...
1
vote
1answer
7k 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 ...
2
votes
1answer
5k 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 ...
1
vote
2answers
528 views

Synchronized DNS-servers return different responses

I have two servers: alpha.mydomain.net - 209.110.172.195 beta.mydomain.net - 185.169.74.16 Both of these servers come with WHM software installed. With the help of WHM I configure DNS cluster on ...
-3
votes
1answer
200 views

switching hostname when I resolve IP address reversely via “nslookup” command

There's a network issue in my office so I ran Look@LAN application to check network condition of some windows PCs. All of sudden, I found out a resolution of IP address of some PCs are switching ...
2
votes
5answers
6k 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 ...
0
votes
1answer
98 views

Concise set of rules for discarding DNS responses, or portion therein

Problem statement It is possible for any name server on the internet to become "Authoritative" for legitimate, and illegitimate zones. For example, I can add microsoft.com to my internal name ...
6
votes
2answers
4k 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 ...
0
votes
2answers
1k views

Unable to resolve host name on certain ISP

Two people on the same office. One uses WIFI on a broadband network and the other one uses Tele2 3G (Sweden), both from a Macbook Pro. When they try to open www.good-morning.se on their browser, the ...
1
vote
3answers
3k views

local dns server don't respond to class NS queries

iam trying to execute the following command nslookup -type=NS mit.edu but each time it gives the following answer Non-authoritative answer: *** Can't find mit.edu: No answer i have tried several ...
0
votes
3answers
587 views

DNS not working on WS2003, but nslookup works fine

I have a virtual machine with Windows Server 2003 (SP2). The DNS resolution seems to be broken, but the nslookup command works fine. Well, I guess that means that the DNS resolution works fine, but I ...
0
votes
2answers
3k views

How do you run an nslookup on an iPhone?

Folks, I'm trying to diagnose a connectivity issue between various iOS clients on AT&T scattered across the country and my website. They appear to be able to access my website by IP address but ...
0
votes
3answers
1k views

DIG connection times out DNS [closed]

I'm at home (COMCAST is the ISP). I can run nslookup and resolve IPs fine. When I run dig I receive "connection timed out: no servers could be reached" I'm going to fireup a network trace but ...
0
votes
1answer
182 views

semicolon in DNS name when nslookup resolving CNAME

I am running two Win2k3 and one Win2k8 DNS servers (and AD) in the same domain, country1.company.com. The DNS servers all have a secondary DNS zone for the AD domain country2.company.com. The two AD ...
0
votes
2answers
118 views

My server IP routing problem

I am unfortunately from Iran and I have a Problem with my server. when I type in windows CMD nslookup ParsCMS.com 4.2.2.4 it can not find my server IP, but nslookup ParsCMS.com 8.8.4.4 returns ...
1
vote
2answers
616 views

NSLookup very inconsistent, slow, failing. Not Hardware error or OS Error. Can't identify problem

Multiple computers inside the network run various OSes, and connect through Wi-Fi or Physical connection. My desktop runs Ubuntu 11.04 64 bit, and has consistently slow or failing NSLookups. I bought ...
0
votes
1answer
860 views

Nslookup returns different results every run

When I run nslookup using our (it defaults our domain NS as the source of information) I get different results every time for known computers on our network. Can some one explain if this is ...
4
votes
3answers
20k 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 . . ...
8
votes
2answers
9k 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 ...
2
votes
1answer
220 views

How to get ip prefixes from children of given as number?

So, for example I have as number as10282 how I can get ip prefixes of children for the given as number? bgp lookup tool Given tool is exactly what I need (with ticked include downstream prefixes), ...
0
votes
1answer
360 views

How do I address “DNS poisoning”?

When I try to connect to SQL Server Express on another machine in the corporate network I face "Cannot generate SSPI context". My machine runs Windows XP and that machine runs Windows 2003 and I don't ...
2
votes
2answers
912 views

Tool to do batch lookup of DNS servers assigned to specific domains

While there are a handful of tools that let you drop a list of domain names and return any DNS record pertaining to those domain names, I have not been able to find a tool that returns the DNS servers ...
0
votes
1answer
189 views

Getting a reverse lookup answer from nslookup but not from dig

So if I use dig to do a reverse lookup I get: $ dig 71.74.56.122 ; <<>> DiG 9.6.0-APPLE-P2 <<>> 71.74.56.122 ;; global options: +cmd ;; Got answer: ;; ...