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Re: Gothcas of changing the IP Address of an Authoritative DNS Server

  • From: Sam Crooks
  • Date: Tue Dec 13 16:14:17 2005
  • Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=HXQJXiWI0SqSkl9T/xlTjosg1hdopzub1vraUX2Jk93PFi1Vbd35DcWWrx1Bxes1meEFPwvyEenmcc5ThwXNV+aPskqyP1QsREJbEAXJDSsbclcXle94/BHE9Iz3Wtr8wPaUNH2rPT/xAtl5UtICcSUpIJ7RgwHt7hYZFDSAQMY=
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 <[email protected]> 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
>