go
x.dns.be has one IP number , which also has a corresponding reverse pointer. ns10.communitydns.net point to the same IP. be and dns.be use this as a nameserver. dns.be is a domain controlled by eight nameservers. Two of them are on the same IP network. Incoming mail for dns.be is handled by two mailservers at dns.be themselves. They are on different IP networks. dns.be has one IP number. x.dns.be is hosted on a server in United Kingdom even though the hostname implies Belgium.

x.dns.be
a records
 
+ 194.0.1.10 194.0.1.0/24 AS42909 -
+ --- -

dns.be
a records
 
+ 195.22.138.102 195.22.138.0/24 AS21239  
+ ---  
ns-soa records
a.ns.dns.be
+ 193.109.126.140 193.109.126.0/24 AS21239 -
+ --- -
ns records
a.ns.dns.be
+ 193.109.126.140 193.109.126.0/24 AS21239 -
+ --- -
amsterdam.ns.dns.be
+ 91.200.16.101 91.200.16.0/22 AS1200 -
b.ns.dns.be
+ 193.109.126.12 193.109.126.0/24 AS21239 -
brussels.ns.dns.be
+ 193.190.135.4 193.190.0.0/15 AS2611 -
c.ns.dns.be
+ 195.22.139.135 195.22.139.0/24 AS3304 -
london.ns.dns.be
+ 195.66.241.90 195.66.224.0/19 AS5459 -
prague.ns.dns.be
+ 195.47.235.138 195.47.235.0/24 AS6881 -
x.dns.be
+ 194.0.1.10 194.0.1.0/24 AS42909 -
mx records
mx2.dns.be
+ 195.207.163.81 195.207.0.0/16 AS3304 -
+ --- -
smtp.dns.be
+ 212.190.80.118 212.190.0.0/16 AS702 -
ip numbers of host
194.0.1.10
ptrs of ip numbers
x.dns.be
ip numbers using ptr to this host
194.0.1.10
hostnames sharing ip with a-records
ns10.communitydns.net
domains using this as nameserver
be
dns.be