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

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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 ...
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3answers
329 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 ...
0
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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
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1answer
55 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
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1answer
133 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 ...
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2answers
222 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
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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
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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
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1answer
234 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
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1answer
76 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: ...
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1answer
106 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 ...
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1answer
161 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 ...
3
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1answer
106 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: ...
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2answers
147 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. ...
3
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2answers
510 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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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 ...
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0answers
101 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 ...
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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
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1answer
187 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 ...
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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: ...
0
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1answer
344 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
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1answer
323 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
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1answer
207 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 ...
3
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4answers
800 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 ...
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0answers
532 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
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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: ...
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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
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1answer
138 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)
0
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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 ...
0
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1answer
54 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?
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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
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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
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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 ...
2
votes
2answers
173 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 ...
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0answers
69 views

How to get all website under authoritative nameserver with dig command or other solution?

What is the dig command to show all website under authoritative nameserver? Is it actually possible? If it's not, what is the other solution? Thanks in advance.
0
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1answer
346 views

PowerDNS does not resolve TXT records

My PowerDNS DNS server 3.3 does not resolve TXT records. Database looks like this: PowerDNS database When I try to dig my server for TXT entry they are not being shown: [root@nowosci powerdns]# ...
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1answer
325 views

Cached response times from Google Public DNS slow

I noticed very strange but consistent performance behavior from Google Public DNS 8.8.8.8. Even-though a DNS record was cached, the response time was in the range of 20-30ms, which seems high. When I ...
5
votes
2answers
325 views

How to determine which DNS server has the authority to set rDNS (PTR records)?

or to re-phrase... How to determine to whom authority has been delegated to set rDNS? Background In a multi-tier environment, where a block of IP's is assigned, then further split and assigned ...
3
votes
1answer
511 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 ...
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 ...
0
votes
1answer
424 views

Dkim DNS Setup: dig +trace finds the key, dig notrace doesn't

i'm setting up DKIM for my domain to sign outgoing mails. I've got some issues on DNS configuration, because DNS configuration is mixed between external DNS (hosting) and a cloud server, which sends ...
0
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2answers
508 views

Dig -x equivalent for AWS Route 53

I have an IP number associated with an AWS Elastic IP (EIP). I'd like to know, what DNS records in my Route 53 domain are associated with that A record's IP. In a traditional DNS service, I would ...
3
votes
1answer
1k 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 > ...
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vote
1answer
250 views

Dig Connection Error on SRV Records

Using Bind9 running on localhost. I have two records in my DNS zone file: _kerberos._udp.GROUP-42.SNOOPY.ISP IN SRV 0 0 88 kirby.group-42.snoopy.isp. kirby.group-42.snoopy.isp. IN A ...
4
votes
1answer
3k views

What's the difference between `dig` and `host` when querying a specific name-server?

I was using this command to verify if I'd set things up correctly with a DNS provider: host hostname.example.com ns1.example-nameserver.com As far as I can tell, this asks ...
0
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2answers
46 views

Linux Terminal dig example -d

I am really having trouble making a post and this question is nowhere asked on the internet and i need to know if it is harmful so i can correct my mistake. I ran the following command in the Linux ...
0
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1answer
148 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: ...
1
vote
1answer
670 views

Bind reverse ipv6 mapping, dig gives no answer, SERVFAIL

I am using Fedora 17 with Bind 9 installed, trying to configure a DNS and I already solved a problem: Bind DNS configuration, dig command don't resolve name Now ipv4 and ipv6 mapping works, ...
1
vote
1answer
243 views

Bind DNS configuration, dig command don't resolve name

I am using Fedora 17 with bind 9. I tried to manually configure a DNS for a network, editing /etc/named.conf: options { listen-on port 53 { localhost; }; listen-on-v6 port 53 { ::1; }; directory ...
2
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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 ...