go
sss-us2.nic.at has one IP number , which also has a corresponding reverse pointer. nic.at is a domain controlled by four nameservers at univie.ac.at. Two of them are on the same IP network. Incoming mail for nic.at is handled by two mailservers also at univie.ac.at. They are on the same IP network. nic.at has one IP number. sss-us2.nic.at is hosted on a server in Germany even though the hostname implies Austria.

sss-us2.nic.at
a records
 
+ 206.65.170.101 206.65.160.0/19 AS11486 -
+ --- -

nic.at
a records
 
+ 193.170.120.100 193.170.0.0/15 AS1853  
+ ---  
ns-soa records
ns4ext.univie.ac.at
+ 131.130.1.12 131.130.0.0/16 AS760 ns4.univie.ac.at
+ --- ns4.univie.ac.at
ns records
ns9.univie.ac.at
+ 194.0.10.100 194.0.10.0/24 AS49488 -
+ --- -
ns5.univie.ac.at
+ 193.171.255.77 193.170.0.0/15 AS1853 -
ns3ext.univie.ac.at
+ 131.130.1.11 131.130.0.0/16 AS760 ns3.univie.ac.at
+ --- ns3.univie.ac.at
ns4ext.univie.ac.at
+ 131.130.1.12 131.130.0.0/16 AS760 ns4.univie.ac.at
+ --- ns4.univie.ac.at
mx records
nicmx1.univie.ac.at
+ 131.130.3.106 131.130.0.0/16 AS760 oscar.univie.ac.at
+ --- oscar.univie.ac.at
nicmx2.univie.ac.at
+ 131.130.3.105 131.130.0.0/16 AS760 oliver.univie.ac.at
+ --- oliver.univie.ac.at
ip numbers of host
206.65.170.101
ptrs of ip numbers
sss-us2.nic.at
ip numbers using ptr to this host
206.65.170.101