[devicenull]

> It's all clean, except on http://www.spamrats.com (specifically the RATS-Dyna list, and I am not using a home connection.)

That particular list is very well known for doing this. Essentially no one uses them, but they get a bunch of free traffic by being listed on mxtoolbox.

Their removal requirements are fairly absurd anyway (must provide them with a full customer list of everyone using your IPs)