exgsrv.pcaginc.net has one IP number. mb4.pl, 4ez.com, qybj.net, sudet.net, irrinet.it and at least 100 other hosts point to the same IP. pcaginc.net use this as a nameserver. pcaginc.net is delegated to two nameservers, however one delegated nameserver is missing in the zone and three other nameservers are listed. All nameservers are at pcaginc.net themselves. There are two duplicated IP numbers. All of them are on the same IP network. Incoming mail for pcaginc.net is handled by one mailserver at aristotle.net. pcaginc.net has four IP numbers. All of them are on the same IP network.