DNS delegation of sabcnews.com updated: May 23, 2013 9:45:59 PM
Delegation
step
query
auth
servers
1
sabcnews.com.
.
(j,m,i,b,e,l,g,k,f,c,a,h,d).root-servers.net.
2
sabcnews.com.
com.
(h,m,j,c,l,b,d,i,e,g,k,f,a).gtld-servers.net.
3
sabcnews.com.
sabcnews.com.
(demeter,titan,jupiter).is.co.za.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about sabcnews.com and learn that com is delegated to 13 name servers (2), so we ask h.gtld-servers.net where we learn that sabcnews.com is delegated to three name servers, including demeter.is.co.za (3), so we ask that one and get the following answer:
Sabcnews.com is a domain controlled by three domain name servers at is.co.za having a total of four IP numbers. All four of them are on different IP networks. Incoming mail for sabcnews.com is handled by two mail servers at messagelabs.com having a total of three IP numbers. Two mail servers have the same IP number. All three of them are on the same IP network. Sabcnews.com has one IP number (196.35.139.99), but the reverse is ?.