Gothcas of changing the IP Address of an Authoritative DNS Server

Tue Dec 13 21:12:17 UTC 2005

I would think you would want to drop your DNS record TTLs for all
domains being moved to something very low several days before the
switch-over period.

On 12/13/05, Eric Kagan <ekagan at axsne.com> wrote:
>
> We need to move our Primary DNS server from legacy IP space provided by our
> upstreams to our ARIN Assigned IP space.  I am looking for advice and any
> gotchas.  I couldn't find any white papers to this affect or archived
> articles or postings.  If someone does have a resource for this or find this
> could be valuable, I can certainly gather all the info and document it.
> Most of the Registrars I have seen now use the Authoritative DNS Server Host
> names for the domain name registrations vs the IP Address. For most of our
> customers, we register and host the DNS.  I have confirmed almost all the
> customers have either Network Solutions, Tucows, Go Daddy and Register.com.
>
> Can I simply change the IP address of our DNS server and update the DNS Host
> Record with our registrar with the new IP and any A / NS records we have ?
> As long as other customers domains have our DNS Server FQDN as the Host,
> they should not need to make any changes, correct ?   I would love to think
> its that simple, but there is always a gotcha.  Does anyone know of any main
> registries using just the IP Address where the customer might need to go in
> and make those changes for each and every domain ?  Any input, advice or
> ideas is appreciated.
>
> Thanks
> Eric
>