DNS delegation of 173.194.75 updated: May 18, 2013 1:00:06 AM
Delegation
step
query
auth
servers
1
75.194.173.in-addr.arpa.
.
(k,f,g,j,l,h,c,e,i,b,m,d,a).root-servers.net.
2
75.194.173.in-addr.arpa.
in-addr.arpa.
(c,a,d,f,e,b).in-addr-servers.arpa.
3
75.194.173.in-addr.arpa.
173.in-addr.arpa.
(w,u,z,y,t,x,r,v).arin.net.
4
75.194.173.in-addr.arpa.
194.173.in-addr.arpa.
(ns1,ns4,ns2,ns3).google.com.
We pick k.root-servers.net, one of the 13 root servers (1), and ask it about 75.194.173.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 173.in-addr.arpa is delegated to eight name servers, including w.arin.net (3), so we ask that one and learn that 194.173.in-addr.arpa is delegated to four name servers (4), so we ask ns1.google.com and get the following answer: