If you are the owner of the VPS or Dedicated server subscription, you shall able to view and check the MySQL version for your domain

From WHM

  1. Login to WHM
  2. Search for MySQL/Mariadb in WHM (upper left search box) and may refer to Current Version for the running MySQL instance for the server.

From Cpanel

  1. Login into your CPanel account
  2. Under General Information on the right panel, click Server Information

  3. Under the Item column, find MySQL Version to know the MySQL version for the server.