There have been lots of threads about the services over the years but no success. I guess you are out of luck. Check for yourself:
https://ninjastic.space/search?title=Mybitcoin.com%20-re%3AI don't think you will even ever recover a satoshi since the service is completely defunct and the domain has even been taken up by a new service
The domain name probably went on sale after the old website became inactive and the allocated time expired. Someone else then bought it.