The reason I think there is a screwup in the DNS routing tables is that the registrant for the top domain name is IANA, and I doubt that they are hosting the site the Core is using.
IANA Whois Service
Domain: in-addr.arpa
ID: in-addr-arpa
Registrant:
Name: Inverse IPv4 Domain
Organization: Internet Assigned Numbers Authority (IANA)
Address1: 4676 Admiralty Way
Address2: Suite 330
Address3:
City: Marina del Rey
State/Province: CA
Country: US
Postal Code: 90292-6610
Phone: +1 310 823 9358
Fax: +1 310 823 8649
Email:
[email protected] Registration Date: 13-October-2001
Last Updated Date: 20-October-2001