DNS delegation of ghs.edu.hk updated: May 21, 2013 9:40:08 AM
Delegation
step
query
auth
servers
1
ghs.edu.hk.
.
(l,b,f,a,c,k,i,e,d,g,m,j,h).root-servers.net.
2
ghs.edu.hk.
hk.
(b,s,y,w,a,v,x,t,u,z).hkirc.net.hk.
3
ghs.edu.hk.
ghs.edu.hk.
(bbdns2,bbdns1).on-nets.com.
We pick l.root-servers.net, one of the 13 root servers (1), and ask it about ghs.edu.hk and learn that hk is delegated to ten name servers (2), so we ask b.hkirc.net.hk where we learn that ghs.edu.hk is delegated to two name servers, including bbdns2.on-nets.com (3), so we ask that one and get the following answer:
Ghs.edu.hk is a domain controlled by two domain name servers at on-nets.com. Both are on different IP networks. Incoming mail for ghs.edu.hk is handled by one mail server at ghs.edu.hk themselves. Ghs.edu.hk has one IP number (210.0.214.18), but the reverse is ?.