i guess custom domains can have a bad setup (would be surprised if gmail smtps would accept traffic tho) but I'm almost certain that gmail itself does that right.
at least they have public keys availble in DNS records (as I briefly checked now)
Diacone Frost
npub1sc…mq7fu
2026-04-07 17:31:08 UTC
in reply to nevent1q…73rm
Author Public Key
npub1sceswwu9vldf0tg3nlkajutp2j4zsv35ewma9r23x8d2qa73eaaqmmq7fuPublished at
2026-04-07 17:31:08 UTCEvent JSON
{
"id": "2c0701e7fa1a370d62c3b38c817dbc3202a4ad1dba7f7d1e3dd4629e237d15fe",
"pubkey": "8633073b8567da97ad119fedd9716154aa283234cbb7d28d5131daa077d1cf7a",
"created_at": 1775583068,
"kind": 1,
"tags": [
[
"alt",
"A short note: i guess custom domains can have a bad setup (would..."
],
[
"e",
"d22bcbeda5fedf4b6a979b96a3b075cae01f2a74954d5394089c6de39c019081",
"wss://theforest.nostr1.com/",
"root",
"036533caa872376946d4e4fdea4c1a0441eda38ca2d9d9417bb36006cbaabf58"
],
[
"e",
"0000212922cfbe70c5577f5b95933168ee32e03c28c4b0a2c4067b9a937f2c7f",
"wss://nostr.mom/",
"",
"8633073b8567da97ad119fedd9716154aa283234cbb7d28d5131daa077d1cf7a"
],
[
"e",
"a7c8a87378eabfe7c3676a5297e5ea17b7d62e781fcc21f77a3a2d3ade39c239",
"wss://theforest.nostr1.com/",
"reply",
"036533caa872376946d4e4fdea4c1a0441eda38ca2d9d9417bb36006cbaabf58"
],
[
"p",
"036533caa872376946d4e4fdea4c1a0441eda38ca2d9d9417bb36006cbaabf58",
"wss://relay.primal.net/"
],
[
"p",
"8633073b8567da97ad119fedd9716154aa283234cbb7d28d5131daa077d1cf7a",
"wss://nostr.mom/"
],
[
"client",
"Amethyst"
]
],
"content": "i guess custom domains can have a bad setup (would be surprised if gmail smtps would accept traffic tho) but I'm almost certain that gmail itself does that right.\n\nat least they have public keys availble in DNS records (as I briefly checked now) ",
"sig": "b4cad474980aecb0c76fe3c675cbb64dbdcae2944d62da5a65c5197940596014e965debd8075dfb39d1b70793ee6b6bb0c34870376b53143713fcb1a1a190721"
}