go
se-dns-vip1-sn2.hy.skanova.net has one IP number , which also has a corresponding reverse pointer. d.ns.se point to the same IP. Incoming mail for hy.skanova.net is handled by one mailserver at skanova.net. se-dns-vip1-sn2.hy.skanova.net is hosted on a server in Sweden.

se-dns-vip1-sn2.hy.skanova.net
a records
 
+ 81.228.8.16 81.224.0.0/12 AS3301 -
+ --- -

hy.skanova.net
mx records
mail.skanova.net
+ 194.237.170.102 194.236.0.0/15 AS3301 avserver.telia.net
+ --- avserver.telia.net
ip numbers of host
81.228.8.16
ptrs of ip numbers
se-dns-vip1-sn2.hy.skanova.net
ip numbers using ptr to this host
81.228.8.16
hostnames sharing ip with a-records
d.ns.se
domains using this as nameserver under another name
se