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Storing RSA Private Keys in DNS TXT Records?

Recon Wave is a powerful attack surface management tool that helps you discover, monitor, and secure your digital assets.

To our initial surprise, hundreds of people and organisations store RSA private keys in DNS TXT records. Our team has recently discovered several hundreds of RSA Private keys in TXT records of our global DNS dataset. This process ensures that the message was not altered during transit and that it legitimately originated from the claimed domain, helping to prevent email spoofing and phishing attacks.

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