Summary
ns1.sisco.com.pl has one IP number , but the reverse is
ns1.ogicom.pl.
tx.ac.pl,
ns1.arx.pl,
ns2.dk1.pl,
dns1.nse.pl,
dns.sisco.pl and at least 49 other hosts point to the same IP.
pzp.pl,
axen.pl,
bantu.pl,
panek.eu,
sowex.pl and at least 100 other hosts use this as a nameserver.
sisco.com.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
sisco.com.pl is handled by three mailservers at
sisco.pl. There are two duplicated IP numbers.
sisco.com.pl has one IP number.
ns1.sisco.com.pl is hosted on a server in Poland.