DNS delegation of www.orcsweb.com updated: Jun 20, 2013 12:24:46 AM
Delegation
step
query
auth
servers
1
www.orcsweb.com.
.
(k,b,m,j,c,f,h,d,a,i,l,e,g).root-servers.net.
2
www.orcsweb.com.
com.
(j,e,b,m,i,f,g,k,l,d,a,h,c).gtld-servers.net.
3
www.orcsweb.com.
orcsweb.com.
(ns3,ns4).orcsweb.com.
4
orcsweb.com.
orcsweb.com.
(ns4,ns3).orcsweb.com.
We pick k.root-servers.net, one of the 13 root servers (1), and ask it about www.orcsweb.com and learn that com is delegated to 13 name servers (2), so we ask j.gtld-servers.net where we learn that orcsweb.com is delegated to two name servers, including ns3.orcsweb.com (3), so we ask that one where we see a CNAME from www.orcsweb.com to orcsweb.com, so we have to start all over again. We already know that ns4.orcsweb.com is authoritative for orcsweb.com (4) and ask it about orcsweb.com and get the following answer: