Verify TXT in the subdomain hierarchy #324
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This commit adds the `verify-dns-subdomains` flag, false by default. If set to true, when verifying the TXT records for a host, it will also traverse up the valid subdomains of the host and check if the fingerprint exists in any of them, to authenticate the request.
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This commit adds the
verify-dns-subdomainsflag, false by default. If set to true, when verifying the TXT records for a host, it will also traverse up the valid subdomains of the host and check if the fingerprint exists in any of them, to authenticate the request.