DNS delegation of www.kodair.com updated: Jun 17, 2013 2:27:12 PM
Delegation
step
query
auth
servers
1
www.kodair.com.
.
(l,d,h,i,c,j,b,m,a,f,g,e,k).root-servers.net.
2
www.kodair.com.
com.
(g,j,l,c,f,d,i,h,e,m,k,b,a).gtld-servers.net.
3
www.kodair.com.
kodair.com.
(ns47,ns48).worldnic.com.
We pick l.root-servers.net, one of the 13 root servers (1), and ask it about www.kodair.com and learn that com is delegated to 13 name servers (2), so we ask g.gtld-servers.net where we learn that kodair.com is delegated to two name servers, including ns47.worldnic.com (3), so we ask that one and get the following answer:
The ten name servers a, b, c, d, e, f, g, h, i and j.root-servers.net together
All of the one domains that use the ten name servers a, b, c, d, e, f, g, h, i and j.root-servers.net together, hereafter referred to as "name server group 3", use only the mail server mail.gootrip.com.