I posted this on an older thread, but thought it might help more to be fresh.
This fixed the issue with Cortana for me, as I'm on TWC. I went to http://dnssearch.rr.com/prefs.php from my home network, and changed the first option to disable the search redirect. I found this on a blog from 2012 http://www.joshuacuellar.net/blog/disabling-time-warner-dns-search
This fixed the issue with Cortana for me, as I'm on TWC. I went to http://dnssearch.rr.com/prefs.php from my home network, and changed the first option to disable the search redirect. I found this on a blog from 2012 http://www.joshuacuellar.net/blog/disabling-time-warner-dns-search