DNS delegation of yahoomail.com updated: May 18, 2013 6:12:57 AM
Delegation
step
query
auth
servers
1
yahoomail.com.
.
(c,k,m,b,e,a,j,l,f,h,i,d,g).root-servers.net.
2
yahoomail.com.
com.
(b,k,m,g,i,c,l,e,d,j,h,f,a).gtld-servers.net.
3
yahoomail.com.
yahoomail.com.
(ns5,ns3,ns1,ns4,ns2).yahoo.com.
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about yahoomail.com and learn that com is delegated to 13 name servers (2), so we ask b.gtld-servers.net where we learn that yahoomail.com is delegated to five name servers, including ns5.yahoo.com (3), so we ask that one and get the following answer:
Yahoomail.com is a domain controlled by five domain name servers at yahoo.com. All five of them are on different IP networks. Incoming mail for yahoomail.com is handled by one mail server at .. We are missing the IP:s of one server: .. Yahoomail.com has two IP numbers (68.180.206.184, 98.139.102.145). Both are on different IP networks.
Yahoomail.com is ranked #4 world wide as yahoo.com and is hosted on two servers in Sunnyvale, CA, United States. It has gained seven inlinks over a period of 16 years.
