This about the LUD06 entry? you know it's pointing to your wallet right? So it's probably some client is expanding your LN address into the LUD06 field
It's absolutely an lnbits address that I do not use. Look at starting on January 16th. https://nostr.band/npub18ams6ewn5aj2n3wt2qawzglx9mr4nzksxhvrdc4gzrecw7n5tvjqctp424?edits
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