DNS delegation of aaadocument.com updated: Jun 19, 2013 1:47:25 AM
Delegation
step
query
auth
servers
1
aaadocument.com.
.
(c,a,m,h,l,j,b,e,k,g,d,i,f).root-servers.net.
2
aaadocument.com.
com.
(f,i,a,m,j,k,g,b,l,d,e,c,h).gtld-servers.net.
3
aaadocument.com.
aaadocument.com.
(yns1,yns2).yahoo.com.
We pick c.root-servers.net, one of the 13 root servers (1), and ask it about aaadocument.com and learn that com is delegated to 13 name servers (2), so we ask f.gtld-servers.net where we learn that aaadocument.com is delegated to two name servers, including yns1.yahoo.com (3), so we ask that one and get the following answer:
The two mail servers mx1 and mx5.biz.mail.yahoo.com together
There are millions of domains that use mail server group 1.
A third of those use name server group 1 (example: riotboyzfilms.com, apersonaltouchservices.com and pd40twu.com ). Worth noting is that three quarter of the domains that use name server group 1 use mail server group 1.
A third of them use name server group 2 (example: senordeals.com, mrravi.com and flexnetics.com ). Worth noting is that most of the domains that use name server group 2 use mail server group 1.
The four name servers yns1.yahoo.com, yns2.yahoo.com, ns8.san.yahoo.com and ns9.san.yahoo.com toget…
Most of the several thousand of domains that use name server group 2 use mail server group 1 (example: k4securitycameras.com, intendednaturals.com and jaysautorepairhawaii.com ). Worth noting is that about one in six of the domains that use mail server group 1 use name server group 2.