DNS delegation of id.asyx.com updated: Jun 20, 2013 6:17:24 AM
Delegation
step
query
auth
servers
1
id.asyx.com.
.
(m,k,d,e,c,i,l,a,h,b,j,f,g).root-servers.net.
2
id.asyx.com.
com.
(l,k,j,c,h,i,m,g,b,e,f,d,a).gtld-servers.net.
3
id.asyx.com.
asyx.com.
(ns1173,ns2193,ns4178,ns3130).dns.dyn.com.
4
id1.asyx.com.
asyx.com.
(ns1173,ns3130,ns4178,ns2193).dns.dyn.com.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about id.asyx.com and learn that com is delegated to 13 name servers (2), so we ask l.gtld-servers.net where we learn that asyx.com is delegated to four name servers, including ns1173.dns.dyn.com (3), so we ask that one where we see a CNAME from id.asyx.com to id1.asyx.com, so we have to start all over again. We already know that ns1173.dns.dyn.com is authoritative for asyx.com (4) and ask it about id1.asyx.com and get the following answer: