DNS delegation of defa.com updated: May 20, 2013 2:49:05 AM
Delegation
step
query
auth
servers
1
defa.com.
.
(g,b,h,l,a,i,m,f,e,j,c,k,d).root-servers.net.
2
defa.com.
com.
(i,m,a,b,k,h,g,f,e,c,j,d,l).gtld-servers.net.
3
defa.com.
defa.com.
(dns1,dns2).siteman.no.
We pick g.root-servers.net, one of the 13 root servers (1), and ask it about defa.com and learn that com is delegated to 13 name servers (2), so we ask i.gtld-servers.net where we learn that defa.com is delegated to two name servers, including dns1.siteman.no (3), so we ask that one and get the following answer:
Defa.com is a domain controlled by two domain name servers at siteman.no. Both are on different IP networks. Incoming mail for defa.com is handled by two mail servers at f-secure.com. Both are on the same IP network. Defa.com has one IP number (178.21.130.95), but the reverse is ?.