pna.gr is a domain controlled by two nameservers at enameservers.net. They are on different IP networks. Incoming mail for pna.gr is handled by one mailserver at gr. pna.gr has one IP record. pna.gr use this as a mailserver. gcal.net, simdes.net, azuris.net, oknarf.net, alkila.net and at least 56 other hosts share nameservers with this domain. ns2.pna.gr and ns1.pna.gr are subdomains to this hostname. gr is a domain controlled by nine nameservers. Some of them are on the same IP network.