We pick b.root-servers.net, one of the 13 root servers (1), and ask it about xvideos.com.tw and learn that tw is delegated to ten name servers (2), so we ask ns.twnic.net where we learn that com.tw is delegated to seven name servers, including b.twnic.net.tw (3), so we ask that one and learn that xvideos.com.tw is delegated to two name servers (4), so we ask ns2.bodis.com and get the following answer:
At least one of them use the two name servers ns1 and ns2.sedoparking.com together, hereafter referred to as "name server group 2", (example: solvegprsprobs.in ).
The two name servers ns1 and ns2.bodis.com together
There are several thousand of domains that use name server group 1.
Most of those point to IP group 1 (example: xn--kgbeib7a8ggtrv.com, sykp.com and xn--uis194j.net ). Worth noting is that a third of the host names that point to IP group 1 use name server group 1.
One percent of them point only to the IP number 199.59.243.120.
The five IP numbers 199.59.243.105, 199.59.243.106, 199.59.243.107, 199.59.243.108 and 199.59.243.10…
A third of the several thousand of host names that point to IP group 1 use name server group 1 (example: livescores.in, stumbleupun.com and pc.hk ). Worth noting is that two thirds of the domains that use name server group 1 point to IP group 1.
The six IP numbers 82.98.86.175, 199.59.243.105, 199.59.243.106, 199.59.243.107, 199.59.243.108 and …
All of the more than a thousands host names that point to IP group 2 use name server group 2.
