go
ns2.acorp.ro has one IP number , which also has a corresponding reverse pointer. optimal.ro and ns2.romsoft.ro point to the same IP. acorp.ro, cherry.ro, romsoft.ro, optimal.ro, trendnet.ro and at least two other hosts use this as a nameserver. acorp.ro is a domain controlled by two nameservers at acorp.ro themselves. They are on the same IP network. Incoming mail for acorp.ro is handled by one mailserver also at acorp.ro. ns2.acorp.ro is hosted on a server in Romania.

ns2.acorp.ro
a records
 
+ 80.96.128.29 80.96.128.0/24 AS21294 -
+ --- -

acorp.ro
ns-soa records
acorp.ro
+   AS?  
+ ---  
ns records
ns.acorp.ro
+ 80.96.128.1 80.96.128.0/24 AS21294 -
+ --- -
+ --- gw.romsoft.ro
ns2.acorp.ro
+ 80.96.128.29 80.96.128.0/24 AS21294 -
+ --- -
mx records
mail.acorp.ro
+ 80.96.128.59 80.96.128.0/24 AS21294 mail.universum.ro
+ --- mail.universum.ro
ip numbers of host
80.96.128.29
ptrs of ip numbers
ns2.acorp.ro
ip numbers using ptr to this host
80.96.128.29
hostnames sharing ip with a-records
ns2.romsoft.ro
optimal.ro
domains using this as nameserver
acorp.ro
cherry.ro
depozituldecalculatoare.ro
optimal.ro
romsoft.ro
trendnet.ro
universum.ro
domains using this as nameserver under another name
128.96.80.in-addr.arpa
cherry.ro
dc-shop.ro
dcshop.ro
depozituldecalculatoare.ro
trendnet.ro
universum.ro
domains using this as mailserver under another name
optimal.ro
used as nameserver but missing in parent delegation
depozituldecalculatoare.ro
universum.ro
used as nameserver but missing in zone
cherry.ro
trendnet.ro