feed.rss is a snapshot of

  http://planet.debian.org/rss20.xml

as of 2013-04-09.

HTTP headers:

  HTTP/1.1 200 OK
  Date: Tue, 09 Apr 2013 18:18:13 GMT
  Server: Apache
  Last-Modified: Tue, 09 Apr 2013 17:58:33 GMT
  ETag: "42207af-359bf-4d9f14d3c8440"
  Accept-Ranges: bytes
  Content-Length: 219583
  Keep-Alive: timeout=5, max=100
  Connection: Keep-Alive
  Content-Type: application/xml
