```
$ curl -i "http://2x.farmos.org/"
HTTP/1.1 301 Moved Permanently
Server: GitHub.com
Content-Type: text/html
X-Origin-Cache: HIT
Location: https://2x.farmos.org/
X-GitHub-Request-Id: F1EE:741A:21BE7D:256296:5FCBB701
Content-Length: 162
Accept-Ranges: bytes
Date: Sat, 05 Dec 2020 16:36:17 GMT
Via: 1.1 varnish
Age: 0
Connection: keep-alive
X-Served-By: cache-sea4478-SEA
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1607186177.321453,VS0,VE3
Vary: Accept-Encoding
X-Fastly-Request-ID: 9a0716aacabc87460a726b89bb898cdaadee4730
301 Moved Permanently
301 Moved Permanently
nginx
```