Question

Dns issue - Host domain.tld not found: 2(SERVFAIL)

Posted on February 2, 2018
CentOS DNS
Asked by Nito Jose

[My level of knowledge with vps , linux and bind dns settings are at learning/begginer stage]

Added domain/PTR plugservice.com to droplet with ip 139.59.78.183.
Then somehow setup a vanity nameserver named ns1/ns2/ns3.plugservice.com pointing to ns1/ns2/ns3.digitalocean.com. Hope it is working fine.
Afterwards added a user account called michaelco.in through CWP. But domain was not reaching the droplet. So issued #Host michaelco.in and received “Host michaelco.in not found: 2(SERVFAIL)” error.

Can anyone please help me to fix the issue?

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Nito Jose • February 4, 2018

Accepted Answer

The issue is solved. It was due to missing A records for NS1/NS2/NS3 vanity nameservers in the droplet’s DNS manager.

Nito Jose • February 2, 2018

d) #cat /var/named/michaelco.in.db

; Generated by CWP ; Zone file for michaelco.in $TTL 14400 michaelco.in. 86400 IN SOA ns1.plugservice.com. cwp.plugservice.com. ( 2013071600 ; serial, todays date+todays 86400 ; refresh, seconds 7200 ; retry, seconds 3600000 ; expire, seconds 86400 ) ; minimum, seconds michaelco.in. 86400 IN NS ns1.plugservice.com. michaelco.in. 86400 IN NS ns2.plugservice.com. michaelco.in. IN A 139.59.78.183 localhost.michaelco.in. IN A 127.0.0.1 michaelco.in. IN MX 0 michaelco.in. mail IN CNAME michaelco.in. www IN CNAME michaelco.in. ftp IN CNAME michaelco.in. ; Add additional settings below this line

Nito Jose • February 2, 2018

c) dig @ns1.digitalocean.com michaelco.in

; > DiG 9.9.4-RedHat-9.9.4-51.el7_4.2 > @ns1.digitalocean.com michaelco.in ; (2 servers found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 47277 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;michaelco.in. IN A ;; Query time: 43 msec ;; SERVER: 173.245.58.51#53(173.245.58.51) ;; WHEN: Thu Feb 01 21:18:28 IST 2018 ;; MSG SIZE rcvd: 41