Here are the relays the spammer is posting to for the relay operators who care about that kind of thing:

wss://nostr.drss.io

wss://nostr.cercatrova.me

wss://nostr.swiss-enigma.ch

wss://nostr.bitcoiner.social

wss://nostr.mom

wss://relay.nostr.bg

wss://relay.nostr.info