| DESCRIPTION | 
| Purpose | A DKIM_DNSSEC is a mnemonic describing the security
    of a key record acquired via the DNS. |  
| Possible Values | 
 DKIM_DNSSEC_UNKNOWN -- DNSSEC evaluation not done
 DKIM_DNSSEC_BOGUS -- DNS response failed DNSSEC evaluation
 DKIM_DNSSEC_INSECURE -- DNS response was not secured by DNSSEC
 DKIM_DNSSEC_SECURE -- DNS response was secured by DNSSEC
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