go
ns0.post.sk has one IP number , but the reverse is doremifa.sme.sk. uloz.post.sk, ns-c.atldns.eu, doremifa.sme.sk and ns2.atlantis.sk point to the same IP. tahaj.net, vasarnap.com and spectacularslovakia.sk use this as a nameserver. post.sk is a domain controlled by three nameservers at post.sk themselves. Two of them are on the same IP network. Incoming mail for post.sk is handled by two mailservers also at post.sk. They are on the same IP network. post.sk has one IP number. ns0.post.sk is hosted on a server in Slovakia.

ns0.post.sk
a records
 
+ 85.248.69.145 85.248.0.0/16 AS5578 doremifa.sme.sk
+ --- doremifa.sme.sk

post.sk
a records
 
+ 85.248.69.133 85.248.0.0/16 AS5578  
+ ---  
ns-soa records
ns01.post.sk
+ 85.248.69.90 85.248.0.0/16 AS5578 lb01.post.sk
+ --- lb01.post.sk
ns records
ns01.post.sk
+ 85.248.69.90 85.248.0.0/16 AS5578 lb01.post.sk
+ --- lb01.post.sk
ns02.post.sk
+ 85.248.69.91 85.248.0.0/16 AS5578 lb02.post.sk
+ --- lb02.post.sk
ns03.post.sk
+ 92.60.49.3 92.60.48.0/20 AS44185 ns2.digmia.com
+ --- ns2.digmia.com
mx records
smtp01.post.sk
+ 85.248.69.94 85.248.0.0/16 AS5578 -
+ --- -
smtp02.post.sk
+ 85.248.69.95 85.248.0.0/16 AS5578 -
ip numbers of host
85.248.69.145
ptrs of ip numbers
doremifa.sme.sk
hostnames sharing ip with a-records
doremifa.sme.sk
ns-c.atldns.eu
ns2.atlantis.sk
uloz.post.sk
domains using this as nameserver
spectacularslovakia.sk
tahaj.net
vasarnap.com
domains using this as nameserver under another name
3dworx.sk
atlantis-systems.sk
atlantis.sk
atldns.eu
ceecn.net
desperatefreelancer.com
radiokiss.sk
xz-studio.com
zumark.sk