When I tried pi-hole I often noted some urls were added 'automagically' to the whitelist, they will show up a few days after I removed them. All of them were weird domains.
Compare the "automagical" whitelist entries (http://imgur.com/a/rxgsC) to the Default whitelist here: https://github.com/pi-hole/pi-hole/blob/master/adlists.defau...
Edit: The code that does it: https://github.com/pi-hole/pi-hole/blob/master/gravity.sh#L2...
Thanks for vouching for me :)
You got hit by a spam filter; they're tuned more aggressively for new accounts. We've marked this account legit so it won't affect you again.
such as?
Also, if you click the timestamp you should see a [vouch] link. Clicking that helps too.