DNS delegation of 148.87.113.124 updated: May 22, 2013 11:06:35 AM
Delegation
step
query
auth
servers
1
124.113.87.148.in-addr.arpa.
.
(k,d,b,l,a,h,m,j,i,g,e,f,c).root-servers.net.
2
124.113.87.148.in-addr.arpa.
in-addr.arpa.
(e,b,a,c,d,f).in-addr-servers.arpa.
3
124.113.87.148.in-addr.arpa.
148.in-addr.arpa.
(z,r,v,t,x,y,w,u).arin.net.
4
124.113.87.148.in-addr.arpa.
87.148.in-addr.arpa.
(ns1,ns4).oracle.com.
We pick k.root-servers.net, one of the 13 root servers (1), and ask it about 124.113.87.148.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask e.in-addr-servers.arpa where we learn that 148.in-addr.arpa is delegated to eight name servers, including z.arin.net (3), so we ask that one and learn that 87.148.in-addr.arpa is delegated to two name servers (4), so we ask ns1.oracle.com and get the following answer: