go
blink.at-www0.sisco.com.pl are subdomains to this hostname. 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.

sisco.com.pl
a records
 
+ 93.157.100.53 93.157.100.0/22 AS44514  
+ ---  
ns-soa records
ns1.sisco.pl
+ 195.242.116.41 195.242.116.0/23 AS34360 ns1.ogicom.pl
+ --- ns1.ogicom.pl
ns records
ns1.blink.pl
+ 195.242.116.41 195.242.116.0/23 AS34360 ns1.ogicom.pl
+ --- ns1.ogicom.pl
ns2.blink.pl
+ 80.81.255.194 80.81.240.0/20 AS15657 ns2.ogicom.pl
+ --- ns2.ogicom.pl
ns2.sisco.pl
+ 80.81.255.194 80.81.240.0/20 AS15657 ns2.ogicom.pl
ns1.sisco.pl
+ 195.242.116.41 195.242.116.0/23 AS34360 ns1.ogicom.pl
+ --- ns1.ogicom.pl
mx records
mx1.sisco.pl
+ 195.242.116.46 195.242.116.0/23 AS34360 srv36-mail.ogicom.pl
+ --- srv36-mail.ogicom.pl
mx2.sisco.pl
+ 195.242.116.46 195.242.116.0/23 AS34360 srv36-mail.ogicom.pl
mx3.sisco.pl
+ 195.242.116.46 195.242.116.0/23 AS34360 srv36-mail.ogicom.pl
subdomains
blink.at-www0.sisco.com.pl
nameservers missing in parent delegation
ns1.blink.pl
ns2.blink.pl
nameservers missing in zone
ns1.sisco.pl
ns2.sisco.pl