ns2.edy.pl has one IP number , but the reverse is sdns1.ovh.net. ns2.d1.be, ns2.oku.pl, ns2.juz.pl, ns2.nss.pl, ns100.mb2.be and at least 100 other hosts point to the same IP. edy.pl, l2ex.pl, l2-emu.net and l2jofficial.com use this as a nameserver. edy.pl is delegated to two nameservers, however one delegated nameserver is missing in the zone and one other nameserver is listed instead. Two nameservers have the same IP number. Some of them are on the same IP network. Incoming mail for edy.pl is handled by one mailserver at edy.pl themselves. edy.pl has one IP number. ns2.edy.pl is hosted on a server in France even though the hostname implies Poland.