go
sss.arnes.si point to 81.91.161.101.

sss.arnes.si
a records
 
+ 81.91.161.101 81.91.160.0/20 AS8763 -
+ --- -
ip numbers of host
81.91.161.101
ptrs of ip numbers
sss.arnes.si
hostnames sharing ip with a-records
sss.arnes.si
domains using this as nameserver
si