rfc5617.txt:Domain Signature.:UNKNOWN:UNKNOWN:20:aug:2009:UNKNOWN:kwd,seccons,ianacons:draft-ietf-dkim-ssp:2009-06-24:2008-10-08:83:0:161:17:261:4:2005-07-12:720:draft-allman-dkim-ssp:2007-07-02:461:2009-08-12:48