ns.tpnet.pl has one IP number , which also has a corresponding reverse pointer. dns2.sanetja.pl cnames to this hostname. ns2.na.pl, ns5.hbf.pl, ns3.mick.pl, ns3.skef.pl, kerko.com.pl and at least eight other hosts point to the same IP. q.pl, rp.pl, mx.pl, gk.pl, kk.pl and at least 100 other hosts use this as a nameserver. tpnet.pl is a domain controlled by five nameservers. Some of them are on the same IP network. Incoming mail for tpnet.pl is handled by two mailservers at tp.pl. They are on the same IP network. ns.tpnet.pl is hosted on a server in Poland.