Why is DNS Resolution for my Domain Failing?
It seems that Linode DNS servers are not responding to records for my domain and as a result my mail and web site are not working.
There are a few things you will want to check (there may be others):
[ ] Have you registered the domain with a registrar? Linode can host DNS records for your domain, but you will need to purchase your domain from a third party provider. You can search the internet for "Domain Registrar Reviews" to find one.
[ ] Is your domain currently active with your registrar?
An answer like this might involve additional investigation with your registrar.
whois example.com | grep "Status:" Status: serverHold Status: serverUpdateProhibited
[ ] Is your domain pointing to Linode's nameservers?:
whois example.com | grep "Name Server:" Name Server: NS5.LINODE.COM Name Server: NS1.LINODE.COM Name Server: NS3.LINODE.COM Name Server: NS2.LINODE.COM Name Server: NS4.LINODE.COM
[ ] If you have recently made changes to your DNS records, have you waited the TTL + at least 15 minutes to ensure they are active and not cached?
[ ] Do you have any local resolvers configured for the system from which you are querying from that may be offering conflicting records?
[ ] Are there any overriding entries in your /etc/hosts file?
[ ] Can you perform the command
dig @ns1.linode.com -tA example.com and get the answer you expect?
I hope this helps!