go
ns2.univie.ac.at has one IP number , which also has a corresponding reverse pointer. at, or.at, co.at, ac.at and sth.ac.at use this as a nameserver. univie.ac.at is a domain controlled by five nameservers at univie.ac.at themselves. Some of them are on the same IP network. Incoming mail for univie.ac.at is handled by three mailservers also at univie.ac.at. All of them are on the same IP network. univie.ac.at has one IP number. ns2.univie.ac.at is hosted on a server in Austria.

ns2.univie.ac.at
a records
 
+ 192.92.125.2 192.92.125.0/24 AS35052 -
+ --- -

univie.ac.at
a records
 
+ 131.130.70.17 131.130.0.0/16 AS760  
+ ---  
ns-soa records
ns4.univie.ac.at
+ 131.130.1.12 131.130.0.0/16 AS760 -
+ --- -
ns records
ns5.univie.ac.at
+ 193.171.255.77 193.170.0.0/15 AS1853 -
+ --- -
ns3.univie.ac.at
+ 131.130.1.11 131.130.0.0/16 AS760 -
ns4.univie.ac.at
+ 131.130.1.12 131.130.0.0/16 AS760 -
ns7.univie.ac.at
+ 193.171.23.114 193.170.0.0/15 AS1853 -
ns8.univie.ac.at
+ 81.91.161.104 81.91.160.0/20 AS8763 -
mx records
zidmx1.univie.ac.at
+ 131.130.3.100 131.130.0.0/16 AS760 ray.univie.ac.at
+ --- ray.univie.ac.at
zidmx2.univie.ac.at
+ 131.130.3.101 131.130.0.0/16 AS760 ruth.univie.ac.at
+ --- ruth.univie.ac.at
zidmx3.univie.ac.at
+ 131.130.3.102 131.130.0.0/16 AS760 roger.univie.ac.at
+ --- roger.univie.ac.at
ip numbers of host
192.92.125.2
ptrs of ip numbers
ns2.univie.ac.at
ip numbers using ptr to this host
192.92.125.2
domains using this as nameserver
ac.at
at
co.at
or.at
sth.ac.at