You need a NIP-05, Random Joe.
Discussion
That's a great idea, thanks! I'm working on getting joerandom@npub19k8km0yfe43j5nq6d6hy00scyjplqzfrg38c596e6gwsge680rpq4vz0da.com set up!
There’s a good tutorial here that worked for me.
https://orangepill.dev/nostr-guides/guide-to-verify-nostr-profile-nip05-identifier-with-your-domain/
Another simple guide by nostr:npub1az9xj85cmxv8e9j9y80lvqp97crsqdu2fpu3srwthd99qfu9qsgstam8y8 https://nvk.org/n00b-nip5