Alby on Nostr: Yes:

{ "id": "298f367bc1239df092030a322323fc13b70adadde9717e529786bdd4b062c416", "pubkey": "4657dfe8965be8980a93072bcfb5e59a65124406db0f819215ee78ba47934b3e", "created_at": 1756651334, "kind": 1, "tags": [ [ "e", "34b5683c516ef2cdbbf2f9f42a6a5395e988c599d0ba58639a744a96c508c62c", "wss://feeds.nostr.band/video", "root" ], [ "p", "4657dfe8965be8980a93072bcfb5e59a65124406db0f819215ee78ba47934b3e", "wss://nostr-pub.wellorder.net/", "mention" ], [ "p", "e2d04f62ee06888774c7dadaaf0a4fc63ee8740486fc2a12fcb3bf16758ba747" ], [ "r", "wss://relay.damus.io/" ], [ "r", "wss://nostr-1.nbo.angani.co/" ], [ "r", "wss://nostr-pub.wellorder.net/" ], [ "r", "wss://purplepag.es/" ], [ "r", "wss://relay.nostr.band/" ], [ "r", "wss://relay.primal.net/" ] ], "content": "Yes: https://guides.getalby.com/user-guide/alby-account/customize-your-lightning-address/use-your-own-domain-as-lightning-address", "sig": "22924185984fbdf27272e08bd6c761124cbefdabf917a5531a7e6f27474ec100e1fbdf3d64562aab5feeaa70f73c9c652d6bd77fcc3ff0179c8be7f414904d26" }