When I search mydomain.com it redirects me to someone else's https://mydomain.com/masterclass/

When I search mydomain.com it redirects me to someone else’s https://mydomain.com/masterclass/ what can I do about it?

It might not be an issue with the cloudflare.
Moreover, pleaes check if you have created any redirection in the cloudflare?

Also, you can update links from your phpmyadmin–>database–>options—>site url