See NIP-05 identifiers:
https://github.com/nostr-protocol/nips/blob/master/05.md
You can set up your own or you could use a service provider like:
https://nostrplebs.com/
Bitcoin Ubuntu / Bitcoin Ubuntu ⚡
npub1w7…w85pa
2023-02-28 14:59:16
in reply to nevent1q…d7jp
Author Public Key
npub1w7lv3g20srey0pqzu3kqmcaqlgzmkvmgpnqvajtj85d2nzl6kjjsjw85paPublished at
2023-02-28 14:59:16Event JSON
{
"id": "fe9f7ec697efc268cdeb1c4d9adb243b88afe229c9be9341d7dd7298a900b3ed",
"pubkey": "77bec8a14f80f2478402e46c0de3a0fa05bb33680cc0cec9723d1aa98bfab4a5",
"created_at": 1677596356,
"kind": 1,
"tags": [
[
"e",
"b6e27ae267d865f3c5a0c264593f1f4e29ae6f495c76a9eab3b9774ed5d36b5b"
],
[
"e",
"8cbcf0cf3d21190c9d47a869c01af6cc4513382d3cc89594d1444386c05953d9"
],
[
"p",
"5e7ae588d7d11eac4c25906e6da807e68c6498f49a38e4692be5a089616ceb18"
],
[
"p",
"f8d42124a72ed89896247ad912f47dd76ac6b6cdd10fe178f5e04acfead0d4a2"
],
[
"p",
"8b4e5120b9547c4d1048750de770108330cf635c1ce25cfb18b32992a83115e4"
]
],
"content": "See NIP-05 identifiers: \nhttps://github.com/nostr-protocol/nips/blob/master/05.md\n\nYou can set up your own or you could use a service provider like:\nhttps://nostrplebs.com/",
"sig": "836e5515c1a27d34896d87feb4941ccd25f0fe61c49806a0cb35520b74b4b16d22a4c45cf4a7e4221767146f084b228f3aa4217a9e697d19d28289f3c85b377e"
}