Hmm, not for me.<p>curl -I stackoverflow.com
HTTP&#x2F;1.1 200 OK
Date: Wed, 13 Jan 2016 14:09:28 GMT
Content-Type: text&#x2F;html; charset=utf-8
Connection: keep-alive
Set-Cookie: __cfduid=d2c4c2c1e163203195948c66c50e3c5ec1452694168; expires=Thu, 12-Jan-17 14:09:28 GMT; path=&#x2F;; domain=.stackoverflow.com; HttpOnly
Cache-Control: public, no-cache=&quot;Set-Cookie&quot;, max-age=33
Expires: Wed, 13 Jan 2016 14:10:02 GMT
Last-Modified: Wed, 13 Jan 2016 14:09:02 GMT
Vary: *
X-Frame-Options: SAMEORIGIN
X-Request-Guid: 0a20c4ed-091d-4b25-8b1e-d4715f5d4590
Set-Cookie: prov=d02396ea-3c9b-423f-ae4c-0c95e7d167b9; domain=.stackoverflow.com; expires=Fri, 01-Jan-2055 00:00:00 GMT; path=&#x2F;; HttpOnly
Server: cloudflare-nginx
CF-RAY: 2641adda9fa9259d-ORD<p>ping stackoverflow.com
PING stackoverflow.com (104.16.33.249): 56 data bytes
64 bytes from 104.16.33.249: icmp_seq=0 ttl=55 time=11.742 ms
64 bytes from 104.16.33.249: icmp_seq=1 ttl=55 time=10.346 ms
64 bytes from 104.16.33.249: icmp_seq=2 ttl=55 time=9.665 ms
64 bytes from 104.16.33.249: icmp_seq=3 ttl=55 time=9.238 ms