Could the services you used to use be voting without your permission or knowledge? Here is a site where you can revoke your posting permissions and also add posting permissions as well.
It is good security practice to lock out ex-girlfriends or ex-employees. Change the lock and get new keys. It's a lot cheaper in Hive or Steem you simply go to this page and revoke their permissions.
Here is mine.
You can view mine and your permissions to other services. You may have some old ones you are not using anymore left from the Steem-Hive divorce fork.
The website was created by me, using jEdit, React, Steem-JS and Hive-JS.