Summary
228.216.208.in-addr.arpa is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. Two nameservers have the same IP number. Two of them are on the same IP network.
bti.com,
acc.edu,
mahl.com,
acc1.edu,
msar.org and at least 64 other hosts share nameservers with this domain.
216.208.in-addr.arpa is a domain controlled by two nameservers at
ns.uu.net. They are on the same IP network.