go
tld2.ultradns.net has one IP number , which also has a corresponding reverse pointer. d.dns.nic.tel point to the same IP. fm, as, travel and com.fm use this as a nameserver. ultradns.net is a domain controlled by six nameservers. All of them are on different IP networks. Incoming mail for ultradns.net is handled by two mailservers having a total of three IP numbers. All of them are on different IP networks. ultradns.net has one IP number. tld2.ultradns.net is hosted on a server in United States.

tld2.ultradns.net
a records
 
+ 204.74.113.1 204.74.113.0/24 AS12008 -
+ --- -

ultradns.net
a records
 
+ 204.74.99.100 204.74.99.0/24 AS12008  
+ ---  
ns-soa records
 
+   AS?  
+ ---  
ns records
pdns1.ultradns.net
+ 204.74.108.1 204.74.108.0/24 AS12008 -
+ --- -
pdns2.ultradns.net
+ 204.74.109.1 204.74.109.0/24 AS12008 -
pdns3.ultradns.org
+ 199.7.68.1 199.7.68.0/24 AS12008 -
pdns4.ultradns.org
+ 199.7.69.1 199.7.69.0/24 AS12008 -
pdns5.ultradns.info
+ 204.74.114.1 204.74.114.0/24 AS12008 -
pdns6.ultradns.co.uk
+ 204.74.115.1 204.74.115.0/24 AS12008 -
mx records
mailbacker.ultradns.net
+ 204.74.103.25 204.74.103.0/24 AS12008 -
+ --- -
+ 204.74.105.25 204.74.105.0/24 AS12008 mxbeqsj.ultradns.net
+ --- mxbeqsj.ultradns.net
mailgate.ultradns.net
+ 204.74.100.40 204.74.100.0/24 AS12008 -
+ --- -
ip numbers of host
204.74.113.1
ptrs of ip numbers
tld2.ultradns.net
ip numbers using ptr to this host
204.74.113.1
hostnames sharing ip with a-records
d.dns.nic.tel
domains using this as nameserver
as
com.fm
fm
travel
domains using this as nameserver under another name
tel