Summary
92.20.213.in-addr.arpa is a domain controlled by three nameservers at
boreus.de. All of them are on different IP networks.
efv.de,
aida.de,
fe-wo.de,
bytm.net,
boreus.de and at least 47 other hosts share nameservers with this domain.
20.213.in-addr.arpa is delegated to three nameservers, however one delegated nameserver is missing in the zone and one other nameserver is listed instead. Two nameservers have the same IP number. All of them are on the same IP network.