This details the problem and the fix
(In the following, I replaced the '.'s with ','s to get around the 2 links per post rule.)
The output from tracert www,sublimetext,com-
Tracing route to www,sublimetext,com [127.0.0.1]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms www,sublimetext,com [127.0.0.1]
After I saw this I remembered that I added the line
to the hosts file to disable theme updates as detailed in this post at stackoverflow-
How to disable theme updates in Sublime Text 3?
After I commented out the line I was able to reach the site again. Mystery solved.
Thanks for the help.