Musicbrainz configuration in Plextools XL

I am new here. I use the PLEXTOOLS XL v.3.13 application to listen to CDs
I use a freedb server to identify the played discs, but it is to be turned off on March 31, 2020.
I can’t enter the Musicbrainz server configuration correctly so that the inserted discs are identified as with Freedb.
Please help!