go
i.nic.tel, g.gtld.biz and i.dns.nic.tel point to 199.7.64.126.

g.gtld.biz
a records
 
+ 199.7.64.126 199.7.64.0/24 AS32978 -
+ --- -

i.dns.nic.tel
a records
 
+ 199.7.64.126 199.7.64.0/24 AS32978 g.gtld.biz
+ --- g.gtld.biz

i.nic.tel
a records
 
+ 199.7.64.126 199.7.64.0/24 AS32978 g.gtld.biz
+ --- g.gtld.biz
ip numbers of host
199.7.64.126
ptrs of ip numbers
g.gtld.biz
hostnames sharing ip with a-records
g.gtld.biz
i.dns.nic.tel
i.nic.tel
domains using this as nameserver
4u.com
biz
gtld.biz
tel