dig is a command-line client to make queries against DNS servers, the Internet name servers.

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5
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1answer
3k views

Dig timeout option don't work

When I try either of these commands they do not stop after 5 seconds: $ dig +time=5 @hii.com hello.me -or- $ dig @hii.com hello.me +time=5 What is the correct way to use this option?
0
votes
1answer
17 views

Host command returns two different IP addresses when run sequentially

Here's an interesting problem: ~ $ host gitlab.myorg.com gitlab.myorg.com is an alias for aln7git01.myorg.com. aln7git01.myorg.com has address 172.30.9.197 ~ $ host gitlab.myorg.com gitlab.myorg.com ...
1
vote
3answers
325 views

What is the best way to get PRECISE domain name from ip address logged in iptables log

In iptables I am logging certain public IP addresses... say of websites visited from different workstations, depending on destination port number... All this is not really relevant to the question but ...
-1
votes
3answers
591 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 ...
58
votes
6answers
108k views

List all DNS records in a domain using dig?

My company runs an internal DNS for "mycompany.com" There is a machine on the network that I need to find, but I've forgotten its name. If I could see a list, it would probably jog my memory. How ...
0
votes
1answer
61 views

How would get an email server reputation via cli or script?

I am trying to monitor email server reputation via cli or script i.e. https://www.senderbase.org/ I found a way supposedly to do it via dig, but the output appears to be very incorrect. It indicates ...
0
votes
1answer
54 views

Using 'Dig' to zone transfer but gets a 'timed out connection'

i am corrently trying to test a zone transfer via dig (9.8.4) with the following command: dig axfr @ns.server.com domainname.com and i get the following error:(notice its not a declined zone ...
0
votes
1answer
578 views

DNS setup with BIND [closed]

I've recently made a server (it's a VPS hosted on a2hosting) by following these instructions: http://www.howtoforge.com/perfect-server-centos-6.0-x86_64-ispconfig-3 All is working well, except for ...
0
votes
1answer
125 views

PowerDNS authoritative name server works but non-authoritative name server servfail

In my current role as Devops I have been assigned a few tasks that are new to me including setting up a PDNS server with MySQL backend. After initial setup of the server I tested responses from the ...
0
votes
2answers
208 views

Domain Name Forwarding not working with github pages

I had my blog on github pages with a custom domain name blog.tamizhvendan.in and today I've moved it to a new domain name www.p3programmer.com by updating the CNAME record with www.p3programmer.com. ...
0
votes
1answer
57 views

Where does dig additional section nameserver information come from? [duplicate]

I have a client whose website has intermittent issues, which I believe are due to DNS lookup. When this happens and they do a ping, the host cannot be resolved. Therefore, I ran: dig ...
0
votes
1answer
32 views

dns lookup at different dns servers

when I perform a dig lookup to look for dns record for a domain name, server A gives a non empty dns record, but server B gives nothing. why? is there a more consistent approach? server A # dig ...
2
votes
1answer
230 views

Dig Command on specific server gives different results than querying without specifying a NS

I am currently experimenting with the dig command because I am having issues with my newly registered domain. When I execute dig @dns.dns1.de overminded.de on one of my Debian servers, I am getting ...
2
votes
1answer
74 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: ...
0
votes
1answer
102 views

dig command on linux returning differing results

Running the command dig against a particular domain, returns the previous name server details. For example; domain.com. 41068 IN NS ns1.nameserver1.com. Now if i run the command dig ...
3
votes
1answer
105 views

Why does TTL sometimes re-increment between DNS queries?

I dig xkcd.com, and I get something like this back: ; <<>> DiG 9.9.5-3ubuntu0.1-Ubuntu <<>> xkcd.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: ...
0
votes
1answer
154 views

TTL and Google DNS

I've found a similar post about this, however my user can't comment. I wonder why doing dig @8.8.8.8 domain.com prints out different "countdowns" when running it several times in few seconds, as if ...
0
votes
1answer
1k 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
2answers
143 views

TTL in ping vs dig

When I ran ping google.com, I get a ttl value of 55: 64 bytes from 173.194.127.103: icmp_seq=68 ttl=55 time=16.4 ms When I ran dig google.com @ns1.google.com., it get a TTL value of 300. ...
17
votes
2answers
1k views

DNS Server Responses and Timeouts

We're experiencing a frustrating problem on our LAN. Periodically, DNS queries to our ISP nameservers timeout forcing a 5 second delay. Even if I bypass /etc/resolv.conf by using a direct dig to one ...
49
votes
4answers
66k views

How can I see Time-To-Live (TTL) for a DNS record?

I would like to see the Time-To-Live (TTL) value for a CNAME record. I have access to dig (on Apple Mac OS X), which gives me an answer like this: % dig host.example.gov <*SNIP*> ;; ANSWER ...
0
votes
0answers
100 views

Oracle GNS (Grid Naming Service) Breaks DNS

Am running a 2-node Oracle 12.1.0.2.0 ASM Flex Cluster using Oracle GNS which I believe uses zeroconf to create it's adhoc network. Before GNS starts, DNS works, i.e. nslookup, dig, ping, ssh all ...
3
votes
2answers
486 views

bind not able to query some servers / domains

We have been experiencing problems with our company's DNS server when trying to resolve only certain domains, we are running BIND 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6 on a CentOS 6.5 server. We are ...
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votes
1answer
10k views

Yum PYCURL ERROR 6 - “Couldn't resolve host 'mirrorlist.centos.org'” [closed]

I am attempting to redo my server (CentOS release 6.6 [Final] x86_64) and I am now getting the following output on yum [root@server ~]# yum update Loaded plugins: fastestmirror, priorities, security ...
0
votes
1answer
79 views

Why is host so much slower than dig on some queries?

When querying a particular address, dig as run against the resolvers listed in /etc/resolv.conf will return NXDOMAIN nice and quickly where host will take a while. $ dig @<resolver> ...
0
votes
1answer
182 views

DNS queries fail from local machine running dnsmasq

I have a "sandbox" web server setup for my developers to work on. Each one has their own IP, with all the "production" hostnames configured, and a DNSmasq configuration to answer for those production ...
3
votes
3answers
3k views

able to dig a hostname but doesn't resolve via ssh or ping

I am using Snow Leopard and cannot ping or ssh into a host but am able to dig: dig some.value.host.com When the ip address comes back in the answer section, then I am able to ssh via ip address ( ...
0
votes
1answer
484 views

Is there a drawback to both A and AAAA records in the ADDITIONAL section?

I'm just asking for a possibility of having both ipv4 and ipv6 configurations in one domain. If I do dig <domain>, inside the ADDITIONAL SECTIONS will display the A and AAAA records. Are there ...
-1
votes
1answer
173 views

“dig +trace fqdn” and “dig fqdn” do not give the same result on a LAN with windows DNS server, why?

in my company LAN I have a Ubuntu 14.04 server running in Virtualbox (as guest) on a Windows 7 (the host) with network interface bridged (so the Ubuntu server belongs to the LAN, with its ip: ...
4
votes
1answer
16k views

sed replace all tabs and spaces with a single space

I got a string like the following: test.de. 1547 IN SOA ns1.test.de. dnsmaster.test.de. 2012090701 900 1000 6000 600 now I want to replace all the tabs/spaces inbetween the ...
6
votes
3answers
3k views

dig show only answer

I want dig only to show the answer of my query. Normally, it prints out alot of additional info like this: ;; <<>> DiG 9.7.3 <<>> google.de ;; global options: +cmd ;; Got ...
0
votes
1answer
341 views

BIND 9.8.2 not giving A record for “dig domain.xxx ANY”

I got problem with my BIND 9.8.2 setup. After configuring master zone which works fine I've noticed that I cannot get a list of all A records using the dig utility with the ANY option. Here are some ...
5
votes
1answer
320 views

Why does dig +trace sometimes fail against Windows Server DNS?

My team has a server pointing at the DNS supplied by Active Directory to ensure that it is able to reach any hosts managed by the domain. Unfortunately, my team also needs to run dig +trace frequently ...
0
votes
1answer
205 views

Why is the DNS on my Windows Server 2012 not authoritative according to dig?

This is me trying to understand something rather than a real problem. I have a new Windows Server 2012 Essentials. That server provides, DNS, DHCP etc. Lets say my Windows domain is my-windows-domain ...
22
votes
2answers
14k views

Force dig to resolve without using cache

I'm wondering if there is a way to query a DNS server and bypass caching (with dig). Often I change a zone on the DNS server and I want to check if it resolves correctly from my workstation. But since ...
3
votes
4answers
780 views

Why doesn't `dig` show records?

Every time I use dig I get a vague feeling that I'm not really sure whether it's giving me correct data. Now I've used it like this: # dig socialimpactportfolio.com ; <<>> DiG ...
19
votes
2answers
6k views

Is dig +trace always accurate?

When the accuracy of a DNS cache is in question, dig +trace tends to be the recommended way of determining the authoritative answer for an internet facing DNS record. This seems to be particularly ...
1
vote
0answers
528 views

Dig returns Refused Status on norecurse?

I've looked up two questions here at serverfault, but my question's a little different in specificity - when running the dig command with the +norecurs option (I'm trying to experiment with cache here ...
3
votes
1answer
4k views

Using dig axfr to perform a zone transfer from a Windows Server 2012 DNS server

I'm working on setting up host auto-discovery for Nagios using DNS records. When I try to use dig axfr to do a zone transfer (dig axfr local.domain.com), however, I get the following output: ...
3
votes
1answer
505 views

Sendmail MX Lookup fails, dig doesnt

Anyone able to explain this problem? I can do a dig or nslookup on a host and get the MX servers, but when I check through sendmail it fails? RHEL 5.6 Sendmail: (root)> sendmail -bt ADDRESS TEST ...
1
vote
2answers
141 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
136 views

Check all domains served by a DNS server [duplicate]

Is there any way to query a dns server to find out all the domains it is the authoritative server? [all domains it has configured?] (I can use dig or any other tool)
7
votes
2answers
5k 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? ...
0
votes
1answer
66 views

DNS resolution failure when querying through server IP

I have a DNS zone file with the following config : $TTL 86400 $ORIGIN example.com. @ IN SOA ns1.example.com. dns.example.com. ( 2014022604 ; Serial ...
2
votes
4answers
4k views

DNS Subdomain delegation issue

(Updated the post with more detailed example) I have my domain: example.com setup at DNS provider 1. Provider 1 has nameservers: ns1.dns1.com ns2.dns1.com I want to delegate authority for ...
0
votes
1answer
53 views

Is it needed to use local DNS cacher in EC2 / VPC?

Seems like AWS internal DNS is already a very low latency one, e.g. On ec2 dig google.com | grep "Query time" ;; Query time: 0 msec So do we really need to use another DNS cacher?
0
votes
1answer
127 views

Why does dig succeed if I add an SOA query and fail when I do not?

When I do this dig I get no answer... red@localhost:~$ dig +noall +answer name-one.name-two.com @mydns-server.name-one.com ... but when add name-two.com soa I get an answer for ...
0
votes
1answer
144 views

digging an IP gives me an unregistered domain name, why? [closed]

I get spam all the time (what a surprise!) and once in a while I check the IP address to see where it comes from (i.e. .cn, .cz, .pl, etc.) Today I was surprised as I found the output of dig to be: ...
0
votes
1answer
188 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
2answers
170 views

linux: shorter 'host' command output

I'm using dns to manage my virtual hosts. In order to do so I query my nameserver with the host command for for certain values is need. For example: > host -t txt mycl1.vz mycl1.vz.myserver.de ...