North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: Gothcas of changing the IP Address of an Authoritative DNS Server
> From: "Ejay Hire" <[email protected]> > To: "'Eric Kagan'" <[email protected]>, <[email protected]> > Subject: RE: Gothcas of changing the IP Address of an Authoritative DNS Server > Date: Wed, 14 Dec 2005 13:15:42 -0600 > > > assuming you've got the old box and the new one running > concurrently, you could run tcpdump on the old box with a > filter to only catch dns requests to the old ip. Let it run > for 24-48 hours and you could see who/what was still > querying the old ip. This topic comes up frequently on [email protected] ... Might query there but many of these responses have covered much of what is discussed there. Regards, Gregory Hicks > > -e > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] > On > > Behalf Of Eric Kagan > > Sent: Tuesday, December 13, 2005 2:45 PM > > To: [email protected] > > Subject: Gothcas of changing the IP Address of an > > Authoritative DNS Server > > > > 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 > > > > > ------------------------------------------------------------------- Gregory Hicks | Principal Systems Engineer Cadence Design Systems | Direct: 408.576.3609 555 River Oaks Pkwy M/S 6B1 | Fax: 408.894.3400 San Jose, CA 95134 | Internet: [email protected] I am perfectly capable of learning from my mistakes. I will surely learn a great deal today. "A democracy is a sheep and two wolves deciding on what to have for lunch. Freedom is a well armed sheep contesting the results of the decision." - Benjamin Franklin "The best we can hope for concerning the people at large is that they be properly armed." --Alexander Hamilton |