DNS delegation of athea.ru updated: May 25, 2013 9:50:05 AM
Delegation
step
query
auth
servers
1
athea.ru.
.
(b,d,l,f,k,i,j,e,h,a,m,g,c).root-servers.net.
2
athea.ru.
ru.
(d,a,e,f,b).dns.ripn.net.
3
athea.ru.
athea.ru.
cools.ru. ns.secondary.net.ua.
We pick b.root-servers.net, one of the 13 root servers (1), and ask it about athea.ru and learn that ru is delegated to five name servers (2), so we ask d.dns.ripn.net where we learn that athea.ru is delegated to two name servers, including cools.ru (3), so we ask that one and get the following answer: