To reduce that risk you can always use multiple domains from separate registrars that redirect to the same address. Especially if you can use service X to rest

To reduce that risk you can always use multiple domains from separate registrars that redirect to the same address. Especially if you can use service X to restore access on service Y (which is often the case), make sure those use independent domains. As often increased security comes at the expense of convenience and cost, but it can be worth it.