go
d.nic.tel, b.gtld.biz and root-il.neulevel.com point to 209.173.57.162.

b.gtld.biz
a records
 
+ 209.173.57.162 209.173.57.0/24 AS7786 -
+ --- -

d.nic.tel
a records
 
+ 209.173.57.162 209.173.57.0/24 AS7786 b.gtld.biz
+ --- b.gtld.biz

root-il.neulevel.com
a records
 
+ 209.173.57.162 209.173.57.0/24 AS7786 b.gtld.biz
+ --- b.gtld.biz
ip numbers of host
209.173.57.162
ptrs of ip numbers
b.gtld.biz
hostnames sharing ip with a-records
b.gtld.biz
d.nic.tel
root-il.neulevel.com
domains using this as nameserver
4u.com
biz
gtld.biz