Summary
94.221.213.in-addr.arpa is delegated to two nameservers, however both delegated nameservers are missing in the zone and three other nameservers are listed. There are two duplicated IP numbers. Some of them are on the same IP network.
meo.ch,
drm.de,
s-pf.de,
sfcc.de,
aekb.de and at least 69 other hosts share nameservers with this domain.