DNS delegation of smipro.com updated: May 22, 2013 9:43:46 AM
Delegation
step
query
auth
servers
1
smipro.com.
.
(d,l,j,i,h,m,k,b,g,e,c,a,f).root-servers.net.
2
smipro.com.
com.
(e,c,l,b,k,f,a,g,j,m,i,h,d).gtld-servers.net.
3
smipro.com.
smipro.com.
(ns1,ns2).netangels.ru.
We pick d.root-servers.net, one of the 13 root servers (1), and ask it about smipro.com and learn that com is delegated to 13 name servers (2), so we ask e.gtld-servers.net where we learn that smipro.com is delegated to two name servers, including ns1.netangels.ru (3), so we ask that one and get the following answer:
Smipro.com is a domain controlled by two domain name servers at netangels.ru. Both are on different IP networks. Incoming mail for smipro.com is handled by seven mail servers at googlemail.com and google.com having a total of 13 IP numbers. Two mail servers have the same IP number. Some of them are on the same IP network. Smipro.com has one IP number (91.201.52.49).
All of the more than two thousand domains that use the primary name server ns1.netangels.ru use name server group 1 (example: u19429.netangels.ru, konfetdvor.ru and mchs.ru ). Worth noting is that two thirds of the domains that use name server group 1 use the primary name server ns1.netangels.ru.
The four last resort mail servers aspmx2, aspmx3, aspmx4 and aspmx5.googlemail.com together
All of the several thousand of domains that use last resort mail server group 1 use the primary mail server aspmx.l.google.com (example: hayashi384.com, wax.fm and bylur.net ). Worth noting is that a third of the domains that use the primary mail server aspmx.l.google.com use last resort mail server group 1.
The seven mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.g…