1
vote
2answers
78 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 ...
0
votes
1answer
602 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
1answer
700 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 > ...
0
votes
1answer
95 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
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 ...
2
votes
2answers
848 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 ...
0
votes
2answers
96 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 ...
0
votes
0answers
200 views

Odd DNS behavior on multiple Ubuntu 12.04 VMs. NSlookup and Dig resolves hostname but ping cannot

In attempting to set up a VoIP server, I came across some interesting behavior from Ubuntu. My VoIP account was assigned a unique hostname that I am to connect to, however, Ubuntu is unable to ...
-1
votes
2answers
271 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 ...
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 ...
1
vote
1answer
1k 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
1answer
93 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 ...
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
176 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: ;; ...
2
votes
1answer
2k views

Named on AIX (5.3) - DIG won't find hosts without FQDN?

Ok I'm a newb to AIX and Named, so hopfully I'm just missing something easy. :) The goal is to just have smooth DNS lookups in this goofy Windows workgroup/AIX DNS setup (it will change eventually, ...
2
votes
1answer
95 views

How do I find the all domain names where name-server is authoritative?

is possibles query a name server and have the list of domains for which he is authoritative?
0
votes
2answers
1k views

DYNDNS.org Custom DNS returning odd results with Windows' NSLOOKUP

I wrote some time back about running my own DNS server temporarily in order to help facilitate the move of a domain name between two registrars with no down-time. I have since purchased the CustomDNS ...
1
vote
2answers
66 views

Network Scan, Filtering for Top Level Domain

Greetings, I have a list of 2 /24s worth of IP addresses in seperate text files. What I am interested in doing is finding a way to resolve the hosts of these IP addresses and filter out to display ...
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? ...
2
votes
3answers
4k 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?