DNS delegation of axpmx2.google.com updated: Jun 19, 2013 3:18:45 PM
Delegation
step
query
auth
servers
1
axpmx2.google.com.
.
(m,e,f,b,d,h,c,g,l,k,i,j,a).root-servers.net.
2
axpmx2.google.com.
com.
(c,k,h,d,e,g,m,a,l,f,i,b,j).gtld-servers.net.
3
axpmx2.google.com.
google.com.
(ns3,ns1,ns2,ns4).google.com.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about axpmx2.google.com and learn that com is delegated to 13 name servers (2), so we ask c.gtld-servers.net where we learn that google.com is delegated to four name servers, including ns3.google.com (3), so we ask that one and get the following answer:
Letusreason.com use axpmx2.google.com as a mail server. You might also be interested in similar looking domain names: axpmx.google.com, axpmx4.google.com, axpmx3.google.com, axpmx5.google.com,...