Gebrauchtwarenzentrum:Perlhaus glauschwuffel$ curl -I http://www.perlhaus.de/index.xml
HTTP/1.1 200 OK
Accept-Ranges: bytes
Cache-Control: public, max-age=0, must-revalidate
Content-Length: 2880
Content-Type: application/rss+xml
Date: Sun, 16 Jul 2017 18:37:23 GMT
Etag: "fd236286ae0d3dd633d05ac1eba7cc7b"
Strict-Transport-Security: max-age=31536000
Age: 0
Connection: keep-alive
Server: Netlify