Question

How to fix DNS resolution?

Posted October 2, 2018 1.9k views
DNS Ubuntu 18.04

Hi Everyone, newbie here. I have set up and redirected my domian with (AWS Route53) to Digital Ocean nameserver but I am still have problem with DNS resolution. I ran a demo app in Python (using Django) virtual environment but the page was unable to load with error message,’ Connection Timed Out’. Please see what I have setup on AWS and DO control panel. I will greatly appreciate your help. Thank you very much.
AWS route 53:
ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com

Digital Ocean:
A record devparticle.com >>>>>> droplet ip_address
NS devparticle.com >>>> ns1.digitalocean.com
NS devparticle.com >>>> ns2.digitalocean.com
NS devparticle.com >>>> ns3.digitalocean.com

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2 answers
unixynet October 2, 2018

You don’t need to setup DNS at both Digitalocean and Route 53. One should do. But at either one of these there needs to be an A record defined to point at your droplet’s IP. Right now your domain’s whois info still shows AWS 53 as your name servers:

 $ whois -f devparticle.com|grep Server
   Registrar WHOIS Server: whois.registrar.amazon.com
   Name Server: NS-1438.AWSDNS-51.ORG
   Name Server: NS-1969.AWSDNS-54.CO.UK
   Name Server: NS-464.AWSDNS-58.COM
   Name Server: NS-652.AWSDNS-17.NET

But the above name servers refuse to answer basic DNS queries against devparticle.com:

$ dig devparticle.com  @ns-652.awsdns-17.net +norec

; <<>> DiG 9.10.3-P4-Ubuntu <<>> devparticle.com @ns-652.awsdns-17.net +norec
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, **status: REFUSED**, id: 57295
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;devparticle.com.       IN  A

;; Query time: 37 msec
;; SERVER: 205.251.194.140#53(205.251.194.140)
;; WHEN: Tue Oct 02 18:28:57 CDT 2018
;; MSG SIZE  rcvd: 33

This means there’s a misconfiguration at Route 53’s end. That’s where I’d check things.

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credd3 October 5, 2018

@unixynet After following the information you provided, I was able to resolve my DNS. I greatly appreciate your input and thank you very much.

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