The answer
Wallet software or analysis tools can examine output types and prior spends, but the result depends on correctly tracing the controlling key and script.
What to do next
Use a reputable read-only tool; never submit recovery secrets to a risk checker.
Mempool.space Bitcoin explorer
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Trezor hardware wallet
A current-generation hardware wallet for managing keys; it does not make Bitcoin or Ethereum quantum-resistant or resolve a future protocol migration.
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