go
a.dns-servers.vn has one IP number , which also has a corresponding reverse pointer. ns18.communitydns.net point to the same IP. vn, ac.vn, org.vn, int.vn, edu.vn and at least eleven other hosts use this as a nameserver. dns-servers.vn is a domain controlled by seven nameservers. All of them are on different IP networks. a.dns-servers.vn is hosted on a server in United Kingdom even though the hostname implies Vietnam.

a.dns-servers.vn
a records
 
+ 194.0.1.18 194.0.1.0/24 AS42909 -
+ --- -

dns-servers.vn
ns-soa records
 
+   AS?  
+ ---  
ns records
c.dns-servers.vn
+ 203.119.38.105 203.119.38.0/23 AS24066 -
+ --- -
+ --- dns-hcm02.vnnic.net.vn
e.dns-servers.vn
+ 203.119.60.105 203.119.60.0/22 AS38736 -
+ --- -
f.dns-servers.vn
+ 203.119.68.105 203.119.68.0/22 AS38737 -
a.dns-servers.vn
+ 194.0.1.18 194.0.1.0/24 AS42909 -
b.dns-servers.vn
+ 203.119.10.105 203.119.10.0/23 AS23902 -
+ --- dns-hn02.vnnic.net.vn
d.dns-servers.vn
+ 203.119.44.105 203.119.44.0/22 AS24089 -
+ --- -
ns-vn.ripe.net
+ 193.0.12.241 193.0.12.0/23 AS3333 -
ip numbers of host
194.0.1.18
ptrs of ip numbers
a.dns-servers.vn
ip numbers using ptr to this host
194.0.1.18
hostnames sharing ip with a-records
ns18.communitydns.net
domains using this as nameserver
ac.vn
biz.vn
com.vn
dns-servers.vn
dongnai.vn
edu.vn
gov.vn
hoabinh.vn
info.vn
int.vn
net.vn
nghean.vn
org.vn
pro.vn
quangnam.vn
vn