At this point I've basically given up and I'm moving the 66.59.48.x IPs to a new datacenter over the weekend. I'll move the DNS servers on the old IPs to the new datacenter and call it a day. We are trying to get all of the customers to re-register anyway, then I'll shut all of this down. Thanks for the help On 12/17/20, 3:16 PM, "NANOG on behalf of John R. Levine" <nanog-bounces+matthew=corp.crocker.com@nanog.org on behalf of johnl@iecc.com> wrote: CAUTION: This email originated from outside of Crocker. Do not click links or open attachments unless you recognize the sender and know the content is safe. > a czds dl, however, shows: You're right, I checked again. > :; zgrep -E ^dns-auth.\.crocker\.com com.txt.gz > dns-auth1.crocker.com. 172800 in a 66.59.48.87 > dns-auth2.crocker.com. 172800 in a 66.59.48.88 > dns-auth3.crocker.com. 172800 in a 66.59.48.94 > dns-auth4.crocker.com. 172800 in a 66.59.48.95 > > and leaving off the ^ shows that a large number of zones use those. Since crocker.com uses different NS, I still don't see why they're in the .COM zone. Making inquiries. Regards, John Levine, johnl@taugh.com, Primary Perpetrator of "The Internet for Dummies", Please consider the environment before reading this e-mail. https://jl.ly