https://qa.debian.org/popcon-graph.php is serving broken pngs. The "image" data looks like:
*DBI connect('service=qa','guest',...) failed: could not translate host
name "bmdb1.debian.org <http://bmdb1.debian.org>" to address: Name or
service not known at /srv/qa.debian.org/cgi-bin/popcon-png
<http://qa.debian.org/cgi-bin/popcon-png> line 26.*
