dns4.inet.pl has one IP number , which also has a corresponding reverse pointer. ftp.myinet.pl and dns2.myinet.pl point to the same IP. epa.pl, dnhs.pl, abgc.pl, pala.pl, alga.pl and at least 80 other hosts use this as a nameserver. inet.pl is a domain controlled by two nameservers at inet.pl themselves. They are on the same IP network. Incoming mail for inet.pl is handled by one mailserver also at inet.pl. inet.pl has one IP number. dns4.inet.pl is hosted on a server in Poland.