Summary

poezje.com.pl use this as a mailserver. expressweb.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 expressweb.pl is handled by one mailserver at netcentrica.pl. expressweb.pl has one IP number.