I subscribe and Proton Pass will generate email alias forward to your protonmail account. It is fantastic. Now to clean up all the accounts I used under bitwarden

I have black bicycle tape for this exact reason.

Google One does the darknet monitoring. But then . . . it’s google. However you can add a few more emails to the list to monitor. I paid for Google One due to photos. Haven’t gotten around photo self hosting yet.

I have proton subscription for mail, vpn the works. Just switched to Proton Pass and very happy. Auto creates alias emails on signups so my real email is not out there.