Who is affected

All users with sites in Koumbit's Aegir service

If you are not sure if your site is hosted in this service, you can check by verifying what ip address is associated with your domain name.
This announcement applies to websites hosted on Aegir. If you feel uncertain about whether or not this message concerns your site, you can verify it by going to http://www.digwebinterface.com/, entering your domain name in the left text field (without the "www" part) and then clicking on the "dig" button. If you see the following response: