$ curl -I http://www.kogan.com/robots.txt
HTTP/1.1 200 OK
Server: nginx/1.0.14
Date: Mon, 09 Jul 2012 18:48:34 GMT
Content-Type: application/octet-stream
Content-Length: 79
Last-Modified: Fri, 04 May 2012 18:58:02 GMT
Connection: keep-alive
Accept-Ranges: bytes