We pick b.root-servers.net, one of the 13 root servers (1), and ask it about the-amazing-talking-cat.com and learn that com is delegated to 13 name servers (2), so we ask i.gtld-servers.net where we learn that the-amazing-talking-cat.com is delegated to eight name servers, including ns4.canfield.com (3), so we ask that one and get the following answer:
All of the four host names that point to the IP number 199.48.252.242 point only to that ip number.
The IP number 199.48.252.242 only
All of the four host names that point only to the IP number 199.48.252.242 use the two mail servers mx1 and mx2.canfield.com together, hereafter referred to as "mail server group 1". Worth noting is that four of the domains that use mail server group 1 point only to the IP number 199.48.252.242.
The two mail servers mx and mx2.canfield.com together
Three of the four domains that use the two mail servers mx and mx2.canfield.com together, hereafter referred to as "mail server group 2", point only to the IP number 64.94.136.5 (example: vestacap.net ).
The eight name servers ns1, ns2, ns3, ns4, ns5, ns6, ns7 and ns8.canfield.com together
Four of the about twenty domains that use name server group 1 point only to the IP number 199.48.252.252.
The mail server mx2.canfield.com
Four of the about twenty domains that use the mail server mx2.canfield.com use mail server group 2.
The two mail servers mx1 and mx2.canfield.com together
Three of the about twenty domains that use mail server group 1 point only to the IP number 199.48.252.226.