because it simple...

trace ip, traceroute domain

Main content page - trace ip, traceroute domain.This can have two effects on a trace. If the computer is an intermediate machine in the trace, the entry will remain blank. No information is returned to the machine conducting the trace because the "time exceeded" message never makes it back.
Tracert is a Windows based command-line tool that you can use to trace the path that an Internet Protocol (IP) packet takes to its destination from a source. Tracert will determine the path taken to a destination.
From there I do a reverse DNS (rDNS) lookup to see what hostname the ISP provides. A hostname is something like www.example.com, or can be more specific to include regional information.
To use the tracert utility, you simply need to know what your destination IP address is and how to use the tracert utility correctly as well as what to look for within the results. Tracert works by manipulating the Time to Live (TTL).
There are also traceroute implementations that use TCP packets, such as tcptraceroute or lft. pathping is a utility introduced with Windows NT that combines ping and traceroute functionality. mtr (My traceroute) is an enhanced version of ICMP traceroute which is available for Unix and Windows systems.