DNS delegation of www.thnic.net updated: May 25, 2013 1:51:07 PM
Delegation
step
query
auth
servers
1
www.thnic.net.
.
(b,j,c,k,e,a,l,f,g,i,h,m,d).root-servers.net.
2
www.thnic.net.
net.
(e,m,b,c,g,l,h,f,j,i,k,a,d).gtld-servers.net.
3
www.thnic.net.
thnic.net.
ns.thnic.net. ns-a.thnic.co.th. ns-b.thnic.co.th.
4
www-rr.thnic.net.
thnic.net.
ns.thnic.net. ns-b.thnic.co.th. ns-a.thnic.co.th.
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about www.thnic.net and learn that net is delegated to 13 name servers (2), so we ask e.gtld-servers.net where we learn that thnic.net is delegated to three name servers, including ns.thnic.net (3), so we ask that one where we see a CNAME from www.thnic.net to www-rr.thnic.net, so we have to start all over again. We already know that ns.thnic.net is authoritative for thnic.net (4) and ask it about www-rr.thnic.net and get the following answer: