The tag has no wiki summary.

learn more… | top users | synonyms

6
votes
4answers
11k 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 ...
0
votes
1answer
75 views

nslookup requests time out regardless of server - ping is fine

I've been having intermittent internet connection issues for a week or so now. I now suspect that these are just DNS issues rather than connection issues. At the moment I can ping google.co.uk no ...
8
votes
2answers
3k 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 ...
0
votes
1answer
45 views

Setting up Reverse DNS - SERVFAIL error

I am using Ubuntu Server and installed BIND9 so I could set up a DNS server. I am tying to configure Reverse DNS. Here is my /etc/bind/named.conf.local file: zone "grupolar.com" in{ type master; ...
5
votes
3answers
7k 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 ...
1
vote
0answers
31 views

Some people can access and nslookup my website but some others cant?

I am having a very weird problem with my server. Most people and myself can access normally without problem but some others report they cant and the only way they can access is through proxies and so. ...
2
votes
0answers
2k views

server can't find XXX.in-addr.arpa: NXDOMAIN

I am facing problem while configuring BIND DNS sowing server can't find XXX.in-addr.arpa: NXDOMAIN while reverse dns check! everything works on forward DNS lookup but reverse DNS lookup fails. Here ...
0
votes
0answers
53 views

DNS Server Failure

I think I have an odd DNS situation on my hands. We have two Windows Server 2008R2 DNS servers that all of our campus machines use. We are unable to get to the site cdbaby.com in any web browser. We ...
1
vote
1answer
622 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 ...
0
votes
1answer
284 views

How does netstat get a hostname from IP while nslookup & nblookup fail every time?

In Windows Server 2003, when I run netstat with no flags, it takes much longer than netstat -n to return results. I realize this is because it has to perform reverse lookups by IP address to get the ...
1
vote
0answers
344 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 ...
1
vote
2answers
70 views

Why are additional DNS records only returned when the query isn't cached?

I'm trying to track down an issue we're having sending mail to a particular domain. We noticed that we're not getting consistent results from nslookup/dig when querying their MX records, and I'm not ...
5
votes
2answers
3k 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? ...
-1
votes
2answers
51 views

Cannot get CNAME on DNS to work correctly [closed]

The domain in question is www.photoparata.com. I am hosting it at GoDaddy.com and have it set to be a CNAME to www.miltonstreet.com. When I go to http://centralops.net/co, they have it correct, as ...
0
votes
0answers
36 views

How to diagnose flaky nslookup/bind9?

BACKGROUND I have a long running DNS (bind9) server running on Ubuntu that works most of the time (from Ubuntu, Win8 or OSX): $ nslookup gitserver Server: 127.0.1.1 Address: ...
2
votes
5answers
1k 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
71 views

Why does this name server resolve incorrectly?

Why does this ENom name server resolve incorrectly? Earthlink is related to my ISP. $ nslookup yahoo.com dns1.name-services.com Server: dns1.name-services.com Address: 98.124.192.1 Name: ...
18
votes
2answers
40k 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 ...
0
votes
0answers
295 views

pinging an unknown hosts from centos resolves

I am seeing very strange behavior with servers running CentOS 6.4 x64. If I run a ping on a host which clearly doesn't exist: ➜ ~ ping sdafsadfdsadfsasdfasdoi.com PING ...
0
votes
1answer
492 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 ...
0
votes
1answer
175 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: ;; ...
3
votes
3answers
12k 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 . . ...
9
votes
5answers
30k 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 ...
2
votes
3answers
129 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 ...
-2
votes
1answer
59 views

How to get ns records that are registered to ip adress

I have ip ranges. I would like to find ns addresses that are pointing to corresponding ip adress I'm looking for a command to do over nslookup or dig Expected result ...
0
votes
1answer
98 views

Subdomains on Windows Server - nslookup works, ping only with FQDN

I have a Windows Server machine with DNS set up in the following way: Zone: home.local Domain: apache A (same as parent) 192.168.2.4 A xml 192.168.2.4 I want to be able ...
3
votes
1answer
382 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 ...
0
votes
1answer
43 views

Trouble with DNS configuration

I'm having trouble with DNS configuration for a domain and do not know how to trace it properly. From trying to troubleshoot with nslookup, it seems as though the authoritative NS are never being ...
0
votes
1answer
71 views

Rotary.org DNS Resolution - Server Failure

A user reported to me that they are unable to access rotary.org. This is a fairly major international site, so it seemed a bit strange. I replicated the issue on my machine in different browsers. ...
1
vote
3answers
2k 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
2k 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 ...
0
votes
0answers
235 views

name not resolve in vmware client PC

I have configured DNS server and DHCP sever on centos 6.2 vmware virtual machine. I have a windows xp vmware client machine. nslookup command is work in server terminal But it won't work in windows ...
5
votes
2answers
2k 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 ...
3
votes
1answer
611 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 > ...
1
vote
1answer
65 views

Why do I sometimes (but not always) see “internet address” data for an MX record in output for nslookup queries?

CentOS 5.x I've noticed that sometimes I'll see "internet address" for an MX record in the output of nslookup. This doesn't happen all the time though. For example, let's say that foo.com uses ...
-1
votes
1answer
78 views

NSLookUp using CLI in windows [closed]

My question is an amateur one. I'm looking at traffic going to and from my computer. When I find an IP address that looks suspicious I use NSLookup on it. If I was to say put random IP addresses in ...
0
votes
1answer
81 views

Is it normal for manual DNS queries on a CentOS server to not return authoritative section details?

CentOS 5.7 On occasion when I'm performing manual DNS queries from one of my CentOS servers, I'll get results back that don't include an authoritative section. For example: [root@foobox ~]# ...
0
votes
3answers
399 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
62 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
1answer
455 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
85 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
335 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
498 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
1answer
127 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 ...
0
votes
3answers
2k 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
104 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
votes
2answers
130 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
748 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 ...
2
votes
2answers
798 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
181 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: ...