I'm experiencing these too.. definitely something screwy.
I agree with the original poster that this would be a useful feature. All I want to do is add my 2 or 3 domains just so I can stop even seeing them in the list. Fortunately I have not self reported myself for spam yet as I always check what I click (and my ISP stands out in the list quite clearly) but it's still silly that my domain appears in spamcop as a spammed domain. I mostly see my address in spam e-mails for link exchanging and SEO improvements.