I think it has something to do how your site is setup.
12:11 lesterchan@Lester-iMac:~/git/github/techinasia/vagrant|master ? curl -i "https://www.cornerstonescoaching.com/?p=4064&draftsforfriends=UbzW81tmZj7ZjYR2uL6qiFNuunKnvVfS"
HTTP/1.1 301 Moved Permanently
Date: Fri, 07 Nov 2014 04:11:58 GMT
Server: Apache
X-Pingback: https://www.CornerstonesCoaching.com/xmlrpc.php
Location: https://www.CornerstonesCoaching.com/?p=4064&draftsforfriends=UbzW81tmZj7ZjYR2uL6qiFNuunKnvVfS
Vary: Accept-Encoding
Content-Length: 0
Content-Type: text/html; charset=UTF-8
12:11 lesterchan@Lester-iMac:~/git/github/techinasia/vagrant|master ? Curl -I "https://www.CornerstonesCoaching.com/?p=4064&draftsforfriends=UbzW81tmZj7ZjYR2uL6qiFNuunKnvVfS"
HTTP/1.1 200 OK
Date: Fri, 07 Nov 2014 04:12:19 GMT
Server: Apache
X-Pingback: https://www.CornerstonesCoaching.com/xmlrpc.php
Link: <https://www.CornerstonesCoaching.com/?p=4064>; rel=shortlink
Vary: Accept-Encoding
Content-Type: text/html; charset=UTF-8
Note the two capital C.