Discogs will not let me login with my own domain (of 30 years) and required one of the big providers. It kept complaining about "risky domain". But that is the only incident I can think of.
It is a top 1000 web site according to Alexa rankings. It would take you about 5 seconds to Google about it. Probably less time than it took you to write your post.
CamperBob2|1 day ago
Who? Never heard of them, and it sounds like there's a good reason for that.
throwaway2037|1 day ago