Anime Remuxes and "-ZR-" on IPT

Hi, I really like anime remuxes and I download most of them from HDTS (BluDragon), but many of them dont have seeds anymore, so I go to other trackers like RuTracker that also have problem with seeds, and IPT with has less content comparing with the other two.
So i like do know what tracker i should go to get Anime Remuxes. AB has many ? I read U2.dmhy have only full BDMV and I am on BakaBTT and they don't accept remuxes... So... i really don't know... Maybe AnimeTorrents ? But i don't know if there are many of remuxes there too...

And finally, what is this '-ZR-' tag on some anime remuxes on IPT, is this a user or a group ? If it is a internal group, from what tracker ?