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

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avahi-resolve resolves hostname that dig -p 5353 @224.0.0.251 does not?

I thought avahi-resolve and dig -p 5353 @224.0.0.251 did much the same thing. However, I have a device where I can resolve its name using avahi-resolve but not using dig: $ avahi-resolve --name ding-...
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1answer
114 views

What does OPT PSEUDOSECTION mean in `dig` response?

This is part of the response when I run dig in terminal: ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 What does OPT mean? What does PSEUDOSECTION mean?
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Command line dig tool doesn't get answer for SOA query, while https://toolbox.googleapps.com/apps/dig/#SOA/ DOES

While running in my windows 10 64bits machine this command: dig gmail-smtp-in.l.google.com ANY I get this response ; <<>> DiG 9.16.2 <<>> gmail-smtp-in.l.google.com ANY ;; ...
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2answers
47 views

Setting up my own nameserver on Freedom domain

I need to configure a DNS on a new domain registered on freenom.com as follows Domain: mydomain.ga My Server IP: 1.2.3.4 My need is to ask mydomain.ga (1.2.3.4) for a specific subdomain (for ...
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47 views

Are horizontal referrals in DNS allowed?

I've been looking into DNS quite a bit lately and currently got the following error message with the DIG command: BAD (HORIZONTAL) REFERRAL From my understanding, this is caused due to delegating a ...
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14 views

Queries about the results of executing the dig command

Lately I have noticed that I am having problems when trying to connect to some websites, apparently the problem lies in my DNS server. My ISP company uses diretly the typical google name resolution ...
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1answer
24 views

Rate-limiting of dig [closed]

I have a PHP script that calls the bash dig command through the exec function on Ubuntu to monitor hundreds of domains. What the script does is to call dig to fetch some DNS records on each domain ...
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1answer
49 views

ping resolves hostname but dig does not [closed]

I'm attempting to set up FreeIPA on a Centos KVM guest and one of the prerequisites is to make sure static hostname is set and that the hostname resolves to guest's IP address. My /etc/hosts file is ...
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1answer
325 views

SRV Record not working GoDaddy HTTPS on separate port

I'm having trouble setting up an office with one public IP and multiple web services running on separate ports. One of the services is a media server and I'm trying to add an SRV record to godaddy in ...
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1answer
96 views

Intermittent DNS failures [closed]

We have intermittent DNS failures. Upon troubleshooting we found from our server, (where the domain is pointed to) gives connection timeout when queried against few TLD ns. Ex: dig domain @tldns (...
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106 views

How to verify which DNS server actually answered a request when it's forwarded?

ISC BIND has a tool named dig that allows us to send a DNS request to a DNS server set on parameter and see what that server answers. I wanted to know if that DNS server answered based on its cache, ...
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60 views

Different IP for same FQDN using different resolver

For my domain gobudgie.ml I get different IPs on different DNS resolver eg.: jasmich.ml@8.8.4.4 (Default): jasmich.ml. 964 IN A 31.17.211.88 jasmich.ml@1.1.1.1 (CloudFlare): jasmich.ml. ...
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35 views

Unable to make NS queries against bind with catchall configuration

I've configured bind to catch all domains and return the same ip (A record) for them. This is for a domain parking service where there might be thousands of domains involved. After pointing the ...
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1answer
27 views

Nameserver response has no authoritative bit set

I know that the authoritative name servers for google.com are ns1-4.google.com. Now, I do this: dig google.com @ns1.google.com And the response is: ; <<>> DiG 9.11.3-1ubuntu1.8-Ubuntu &...
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430 views

Can I get all the virtual IP addresses given the CNAME

Is there a way to find all the aliases of the host? $ nslookup x x is an alias for y y is an alias for z z has address 192.0.2.45 So if I have z, is there a way of using nslookup/host/dig commands ...
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149 views

Windows dig shows no answer section

I downloaded BIND from https://www.isc.org/download/ and installed it following https://nil.uniza.sk/how-install-dig-dns-tool-windows-7. When I run dig it does not show any answer section. For example:...
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60 views

dns NXDOMAIN error with external view

we are trying to configure a bind9 server. We have two different views, one for the internal zone (dmz) and another for external users who want to access to the dmz web. The problem is that we may be ...
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4k views

How do I ask “dig” to only return the IP from a CNAME record?

The dig +short command (such as described in "dig show only answer") is great for batch processing names into IP addresses. It does a simple job and does it well. Unfortunately when there's a CNAME ...
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1answer
2k views

dig output missing answer section

I recently got a new domain (lets call it testdomain.extample) from Route53 on Amazon. I further have a classic load balancer from AWS that I want requests to be forwarded to when somebody visits www....
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1answer
220 views

Why does ping to FQDN fails, but dig succeed?

When I try to ping a certain FQDN, I fail: $ ping test-customer-1.clients.jsonar.com ping: test-customer-1.clients.jsonar.com: Name or service not known However, dig et al. succeeds: $ dig test-...
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2k views

Dig +trace not working, while +notrace works

I am trying to troubleshoot some DNS issues and I am starting by trying to trace my DNS lookups using dig +trace. Im getting some weird results. If do a normal dig to my unbound resolver. dig @192....
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2answers
85 views

Scrape subdomain IPs using PTR records

I'm looking for a solution to an obscure problem. For security policy reasons we have a workstation using PeerBlock with a block list that essentially blacklists the entire internet, and then an allow ...
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1answer
2k views

DIG: always get a status: FORMERR

I'm under ubuntu 18.04, having DNS issues, so I am using dig command to debug my DNS. Thing is when I dig a site like redhat.com, or a well configured DNS of mine, I always get a FORMERR status, and ...
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91 views

Is there a way to force dig to query an authoritative server?

I often find myself doing: dig www.example.com @$(dig NS example.com +short | head -n 1) It's a bit like doing a dig +trace www.example.com but starting from the NS of example.com instead of ...
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896 views

Why is ADDITIONAL SECTION missing from my dig response?

I have a couple bind servers recently upgraded to Ubuntu 16.04 (from 14.04). Cron runs dig . ns once a day to grab an updated list of Root servers used in the bind configuration. The script run by ...
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1answer
38 views

Why does my website's locally retrieved name server appear different from one retrieved online?

My website is not resolving correctly, so I checked the name server via nslookup in PowerShell and see bodis.com. Then I checked online, hoping I checked the same name server, and see domaincontrol....
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61 views

DNS server with bind in Debian 9

I have a project to do for college. The project is a DNS server with client. I created the DNS server but when i want to see how it works i use the command dig myservername. 1. How can i proceed to ...
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2answers
189 views

dig - how return NS from authority only

How I can parse NS from authority - no from child NS servers? I need check NS servers from about 30 000 domains with different TLDs. I can use dig google.cz +trace But output is long and I don't ...
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1answer
964 views

How to enable dig to show status codes?

With default options dig shows the return status for a DNS query in the comment ;; ->>HEADER<<- ... status: NXDOMAIN: ubuntu:~$ dig hosted-by.myinternetservices.com. ; <<>> ...
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347 views

Why can't 1.1.1.1 resolve a certain name (SERVFAIL)?

I've noticed that the cloudflare nameserver can't resolve certain DNS-names and replies with a SERVFAIL. However, when I run the dig command, I still get a reply. Why is that? $ dig sdo.gsfc.nasa.gov ...
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130 views

Official BIND9 Windows binaries - host.exe, dig.exe - don't do anything

I have downloaded the official BIND 9 Windows binaries from ISC. They don't do anything: $ .\host.exe google.com $ (no output) Same with dig. How do I make host, dig etc work on Windows?
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Strange double answer cname in dig

I want to host a web site with github.io, using www.nv-gr.fr I have put an A on @ and another on www My zone is : @ 10800 IN SOA ns1.gandi.net. hostmaster.gandi.net. 1531775542 10800 3600 604800 ...
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170 views

Can't update DiG utility on Debian 8 (Jessie)

I am trying to get the latest version of DiG DNS utility (part of BIND 9) but I can't seem to be able to. I am running Debian 8 (Jessie). The current DiG version : root@myMachine:~# dig -v DiG 9.9....
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37 views

Why is it unable to make query directly from the country level DNS?

I tried to make a DNS trace request (taking Oxford's website www.ox.ac.uk as an example) starting from Google's DNS 8.8.8.8. I can successfully get the result and the route was via the country level ...
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100 views

Why dig cannot get my DNS records immediately?

I'm working with a online development server and I need to change quite frequently the bind9 configuration, but I can't see the changes from my working computer. What I'm doing is something like this ...
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1k views

How to resolve a list of hostnames to ip addresses while querying dig or using getent

I need to resolve all "A" records for a domain to ip addresses if they exist while creating a bash script. I've looked to see if there was a dig command to retrieve all a records for a domain but ...
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2answers
896 views

Dig DNS vs Whois

I have a client that has their name services done through some third part. The domain was registered through Godaddy (yet a different third party). The name service provider had their domain names ...
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2answers
401 views

dig and host command return different SOA

So I found another post saying that host and dig are essentially the same except host is a more user friendly. For the most part this seems to be true however I came across this when trying to find ...
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1answer
467 views

DNS forward zone will not resolve new records

I have a master DNS server (BIND9, IP 172.23.129.24) configured to point a forwarding zone to another master server that is configured for DDNS services. This directive is in the /etc/named.conf file. ...
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1answer
597 views

How to delegate DNS for sub-domain to domain with separate hosted zones

TL;DR: When the primary hosted zone contains two NS records, containing the name servers for the primary hosted zone (example.com) and the subdomain hosted zone (sub.example.com) would that be ...
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338 views

Server switch: Check DNS TTL values

Can somebody let me know if from the below results from using dig https://toolbox.googleapps.com/apps/dig/#ANY/ What is the correct TTL value? as I see 2 different ones: id 10958 opcode QUERY rcode ...
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529 views

Why does this dnsmasq configuration work in one office but not another?

We have two remote offices which both use the same VOIP provider. During the sign up for this provider, they advised us to change our DNS setup so that the phones use their DNS server for VOIP calls. ...
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3k views

How to know if reverse PTR record is correct for emailing purposes

I send emails for test@example.com with my own server. When using dig -x xxx.xxx.xxx.xxx with the IP of my server, I get: ;; QUESTION SECTION: ;xxx.xxx.xxx.xxx.in-addr.arpa. IN PTR ;; ...
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829 views

Reverse PTR record lookup not working with dig

As mentioned here, having a Reverse PTR record is key for successful email sending and delivery from one's own server. In order to check if it's correctly set for my server, I tried: dig -x 111.111....
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353 views

Command to Ping All a Host's NICs

We have numerous laptops here which have two adjacent DHCP reservations, one for the wired interface, and the next for the wireless. This allows simpler firewall rules by using (e.g.) /28 subnets for ...
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5answers
2k views

How long it takes for domain registrar to update TLD name servers

We accidentally changed the nameserver settings for our example.be. The changes were rolled back within minutes. So nameservers were set to the previous ones, provided by One.com. After 16 hours, our ...
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795 views

How can I do a zone transfer with dig when using bind views

I have a bind cluster with private/public records stored in (2) views and configured with TSIG. Standard slave operation works but I'd like to use dig to transfer the zones for troubleshooting/...
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849 views

Understanding the Difference Between DNS Resolvers

Intro In the attempt to debug a networking issue local to our intranet, it became apparent that curl host nslookup and dig behave differently. Where dig and host returns the IP address of the URL in ...
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1answer
778 views

What's the magic incantation to force DNS queries over TCP on an Amazon/AMI image?

It looks as though the resolv.conf option use-vc is being ignored on an Amazon AMI (latest 2016.09 version). Consider the following: [hadoop@ip-172-20-40-202 ~]$ cat /etc/resolv.conf search default....
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169 views

Strange DNS host name response

I've recently experienced an XML-RPC attack vs wordpress from a pair of machines for which dig -x returns a very very odd looking result: ;; ANSWER SECTION: 54.249.96.191.in-addr.arpa. 60 IN PTR ...

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