DNS delegation of a.xiao77.com updated: May 18, 2013 6:41:40 PM
Delegation
step
query
auth
servers
1
a.xiao77.com.
.
(b,e,j,g,i,m,k,h,c,f,d,l,a).root-servers.net.
2
a.xiao77.com.
com.
(h,l,a,b,k,i,e,m,g,j,d,c,f).gtld-servers.net.
3
a.xiao77.com.
xiao77.com.
(ns2,ns1).next.org.
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about a.xiao77.com and learn that com is delegated to 13 name servers (2), so we ask h.gtld-servers.net where we learn that xiao77.com is delegated to two name servers, including ns2.next.org (3), so we ask that one and get the following answer:
A.xiao77.com is a domain controlled by two domain name servers at above.com having a total of four IP numbers. Some of them are on the same IP network. A.xiao77.com has one IP number (69.43.161.213), which is the same as for xiao77.com, but the reverse is ?.