birmingham1.level3.net is a domain controlled by one nameserver. mediaplane.net, dal1.level3.net, sea1.level3.net, voice.level3.net, 3.8.in-addr.arpa and at least 53 other hosts share nameservers with this domain. nas9.birmingham1.level3.net and nas10.birmingham1.level3.net are subdomains to this hostname. level3.net is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for level3.net is handled by two mailservers having a total of eight IP numbers. There are six duplicated IP numbers. Some of them are on the same IP network. level3.net has one IP number.