DNS delegation of ns3.egydo.com updated: May 26, 2013 1:53:21 AM
Delegation
step
query
auth
servers
1
ns3.egydo.com.
.
(c,j,k,l,b,i,a,h,m,g,d,f,e).root-servers.net.
2
ns3.egydo.com.
com.
(d,m,c,b,h,k,e,l,f,g,j,a,i).gtld-servers.net.
3
ns3.egydo.com.
egydo.com.
(ns3,ns4).egydo.com.
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about ns3.egydo.com and learn that com is delegated to 13 name servers (2), so we ask d.gtld-servers.net where we learn that egydo.com is delegated to two name servers, including ns3.egydo.com (3), so we ask that one and get the following answer:
There are six domains that only use the IPv4 number 72.29.87.192.
Five of those are under the tld "com".
Three of them start with "ns2".
The name server ns3.egydo.com
All of the four domains that use the name server ns3.egydo.com use the two name servers ns3 and ns4.egydo.com together, hereafter referred to as "name server group 2".
The two name servers ns3 and ns4.egydo.com together
Three of the four domains that use name server group 2 use the primary name server ns3.egydo.com. Worth noting is that all of the domains that use the primary name server ns3.egydo.com use name server group 2.