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by mike-cardwell
15 days ago
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You declare HSTS preload, but you are not in the preload list. You can not be added to the preload list at https://hstspreload.org/ because www.rootshell.is exists but has an invalid certificate. Your MX TLS configuration supports various anon ciphers. These should be disabled. Your DANE is broken. Try any of a number of freely available online validators. |
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