For
abc.nifty.com
, the third-level domain is
abc
, and for
xyz.fm.com
, the third-level domain is
xyz
. For
abc.nifty.com
, the second-level domain is
nifty
, and for
xyz.fm.com
, the second-level domain is
fm
. For
abc.nifty.com
, the top-level domain is
com
, and for
xyz.fm.com
, the top-level domain is also
com
.
Read more about domain names here:
http://en.wikipedia.org/wiki/Domain_name[
^]