DNS delegation of bol.tel updated: May 23, 2013 10:05:51 AM
Delegation
step
query
auth
servers
1
bol.tel.
.
(k,l,h,j,f,d,b,g,e,a,c,m,i).root-servers.net.
2
bol.tel.
tel.
(d,c,b,h,a,g,f,e).dns.nic.tel.
3
bol.tel.
bol.tel.
(d0,a0,t0,s0,n0).cth.dns.nic.tel.
We pick k.root-servers.net, one of the 13 root servers (1), and ask it about bol.tel and learn that tel is delegated to eight name servers (2), so we ask d.dns.nic.tel where we learn that bol.tel is delegated to five name servers, including d0.cth.dns.nic.tel (3), so we ask that one and get the following answer:
Bol.tel is a domain controlled by five domain name servers at nic.tel having a total of seven IP numbers. Some of them are on the same IP network. Bol.tel has one IP number (194.77.54.2), but the reverse is redirector.nic.tel.
All of the several thousand of host names that point to the IP number 194.77.54.2 point only to that ip number (example: mvc.tel, schools.tel and taylor.tel ).
The IP number 194.77.54.2 only
There are several thousand of host names that point only to the IP number 194.77.54.2.
