DNS delegation of ns1.bankmellat.ir updated: May 22, 2013 2:47:43 PM
Delegation
step
query
auth
servers
1
ns1.bankmellat.ir.
.
(d,l,k,e,h,i,g,m,c,f,a,b,j).root-servers.net.
2
ns1.bankmellat.ir.
ir.
ns.irnic.ir. a.nic.ir. ns5.univie.ac.at.
3
ns1.bankmellat.ir.
bankmellat.ir.
(dns,bdns).bankmellat.ir.
We pick d.root-servers.net, one of the 13 root servers (1), and ask it about ns1.bankmellat.ir and learn that ir is delegated to three name servers (2), so we ask ns.irnic.ir where we learn that bankmellat.ir is delegated to two name servers, including dns.bankmellat.ir (3), so we ask that one and get the following answer: