So I feel like I am missing something here. Maybe someone can suggest something or tell me I am not crazy.
Company I work for owns the site xyz.com. We have our own authoritative external dns server with 2 different ISPs acting as slaves for xyz.com
Everything is working good, I update the DNS zone file and I see it propogate out to the two ISP namerservers.
The problem started when we had to change our IP addresses.
Seemed like a simple change to me, I updated the IPs on the reigstrar site for xyz.com, updated our external dns server with the new IP address. I run nslookups and things look good against our nameserver.
BUT, our ISPs seem to be refusing to update their records. Saying they will just pull down the new info and everything will update fine while I have been trying to tell them they need to update their DNS records for xyz.com with our new IP address. Been spending 3 days on this and so far have managed to get them to only update a few of them and are basically ignoring me now.
So what I am missing? What is the proper way to change IP addresses when you need to update your external facing dns server and slave nameservers?
Best Answer Joe User , 08 May 2014 - 03:35
Actually have a vm with the new IP address and an old server with the old IP address. I updated the NS A record on the old server to reflect the new IP address and set the serial number on the old one 2014050601 and the new one to 2014050701. Still no dice.
Make them both the same serial 2014050702 or higher. All the records should be exactly the same on both servers. Then see if it picks up the zone from the old server. You'll see the zone xfer in the logs (if enabled).Go to the full post