We pick e.root-servers.net, one of the 13 root servers (1), and ask it about a1trialattorney.com and learn that com is delegated to 13 name servers (2), so we ask b.gtld-servers.net where we learn that a1trialattorney.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 several thousand of domains that use mail server group 1.
Half of those use name server group 1 (example: walkerimpex.com, phanna.us and petalproductionsinc.com ). Worth noting is that three quarter of the domains that use name server group 1 use mail server group 1.
One quarter of them use name server group 2 (example: seriouswork.biz, pure-asia.com and iggyblog.com ). Worth noting is that all of the domains that use name server group 2 use mail server group 1.
The two name servers yns1 and yns2.yahoo.com together
There are several thousand of domains that use name server group 1.
Three quarter of those use mail server group 1 (example: cardenasbiz.com, ds-mx.com and tymetoknow.com ). Worth noting is that half of the domains that use mail server group 1 use name server group 1.
The four name servers yns1.yahoo.com, yns2.yahoo.com, ns8.san.yahoo.com and ns9.san.yahoo.com toget…
All of the several thousand of domains that use name server group 2 use mail server group 1 (example: sweetwatermodelhorsecreations.com, rede3.com and cedarhillsequine.com ). Worth noting is that more than one in eight of the domains that use mail server group 1 use name server group 2.