Summary
dns.alpha.pl has one IP number , but the reverse is
ns.forpsi.net.
ns1.e1.pl cnames to this hostname.
dns.p.pl,
dns.dja.pl,
ns.boot.hu,
dns.anv.pl,
dns1.sac.pl and at least 18 other hosts point to the same IP.
p.pl,
e1.pl,
odi.pl,
npk.pl,
wgw.pl and at least 100 other hosts use this as a nameserver.
alpha.pl is a domain controlled by two nameservers at
alpha.pl themselves. They are on different IP networks. Incoming mail for
alpha.pl is handled by one mailserver also at
alpha.pl.
alpha.pl has one IP number , but the reverse is
saturn.alpha.pl.
dns.alpha.pl is hosted on a server in Czech Republic even though the hostname implies Poland.