ns1.bbs.mil.pl has one IP number , but the reverse is ns.kimsufi.com. ns.fino.fr, ns2.on24.pl, dns2.imq.pl, ns1.nmap.pl, ns2.fun4.pl and at least 100 other hosts point to the same IP. bbs.mil.pl use this as a nameserver. bbs.mil.pl 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 bbs.mil.pl is handled by one mailserver at bbs.mil.pl themselves. bbs.mil.pl has one IP number , but the reverse is goog1e.pl. ns1.bbs.mil.pl is hosted on a server in France even though the hostname implies Poland.