: 12 hours after being changed nameserver IP's are starting to show nothing So I am making the change between Server A and Server B for cost reasons, and have changed the IP's of my nameservers

@Alves908

A simple checklist of what I would try:


Double check that the DNS server itself is available and you have the correct nameserver/IP combinations.
That DNS is working and responding on the proper ports (53 and perhaps 953).
Try using a tool like dig to verify what DNS records are actually being returned, especially for a given third party e.g Google Public DNS:

dig @8 .8.8.8 NS example.com

Test your site connection on a separate network. It seems unlikely to reveal much in this instance but I have found it good practice on principle.


Also, since you mentioned transferring records, I would double check these. Particularly, I would update the serial, double check any SOA/NS entries generally and might adjust TTLs, etc. as appropriate.

Here is a quick overview of the generic SOA format if you are unfamiliar with the values.

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