Using a DNS SRV Record to Locate an X.509 Certificate Store

Document Type Expired Internet-Draft (individual)
Authors Brian Haberman  , John Levine 
Last updated 2019-01-17 (latest revision 2018-07-16)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a method to allow parties to locate X.509 certificate stores with Domain Name System Service records in order to retrieve certificates and certificate revocation lists. The primary purpose of such retrievals is to facilitate the association of X.509 and PGP public keys with e-mail addresses to allow for encrypted e-mail exchanges.


Brian Haberman (
John Levine (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)