DNS delegation of luxyahoo.com updated: May 19, 2013 6:59:03 PM
Delegation
step
query
auth
servers
1
luxyahoo.com.
.
(m,l,h,i,f,j,g,d,k,b,a,e,c).root-servers.net.
2
luxyahoo.com.
com.
(c,l,g,j,i,b,m,h,e,d,f,a,k).gtld-servers.net.
3
luxyahoo.com.
luxyahoo.com.
(ns5,ns2,ns3,ns4,ns1).yahoo.com.
We pick m.root-servers.net, one of the 13 root servers (1), and ask it about luxyahoo.com and learn that com is delegated to 13 name servers (2), so we ask c.gtld-servers.net where we learn that luxyahoo.com is delegated to five name servers, including ns5.yahoo.com (3), so we ask that one and get the following answer:
The five name servers ns1, ns2, ns3, ns4 and ns5.yahoo.com together
Three quarter of the several thousand of domains that use name server group 1 point to IP group 1 (example: htmyahoo.com, verifiedyahoo.net and editcompanionyahoo.com ). Worth noting is that most of the host names that point to IP group 1 use name server group 1.