DNS delegation of 74.125.134 updated: May 18, 2013 1:23:52 PM
Delegation
step
query
auth
servers
1
134.125.74.in-addr.arpa.
.
(j,a,h,e,f,i,b,m,l,k,g,c,d).root-servers.net.
2
134.125.74.in-addr.arpa.
in-addr.arpa.
(c,f,d,a,b,e).in-addr-servers.arpa.
3
134.125.74.in-addr.arpa.
74.in-addr.arpa.
(r,v,y,x,w,u,z,t).arin.net.
4
134.125.74.in-addr.arpa.
125.74.in-addr.arpa.
(ns1,ns3,ns4,ns2).google.com.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about 134.125.74.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask c.in-addr-servers.arpa where we learn that 74.in-addr.arpa is delegated to eight name servers, including r.arin.net (3), so we ask that one and learn that 125.74.in-addr.arpa is delegated to four name servers (4), so we ask ns1.google.com and get the following answer: