DNS delegation of mail.biotrin.com updated: May 20, 2013 8:50:14 PM
Delegation
step
query
auth
servers
1
mail.biotrin.com.
.
(l,a,f,j,d,g,e,c,m,k,i,b,h).root-servers.net.
2
mail.biotrin.com.
com.
(c,e,b,i,a,g,f,l,j,d,k,h,m).gtld-servers.net.
3
mail.biotrin.com.
biotrin.com.
(ns2,ns1).netaffinity.net.
We pick l.root-servers.net, one of the 13 root servers (1), and ask it about mail.biotrin.com and learn that com is delegated to 13 name servers (2), so we ask c.gtld-servers.net where we learn that biotrin.com is delegated to two name servers, including ns2.netaffinity.net (3), so we ask that one and get the following answer: