> On 8 Feb 2018, at 9:43 am, Mark Andrews <ma...@isc.org> wrote: > > Software that processes CAA records returned by the DNS can remove > any duplicates detected at that level of processing. The DNS isn’t > in a position to do that de-duplication. > > For UPDATE I would always delete the CAA RRset and re-add it to > update it rather than do it at the RR level. > > I believe the current RFC is enough for the records to be interpreted > correctly if you don’t violate the SHOULD NOT. I don’t believe that > they ever will contain values that violate that SHOULD NOT except in > test suites.
Additionally any record that can’t be represented in the canonical form can be presented in unknown record format. This will handle tags that violate the SHOULD NOT. > -- > Mark Andrews, ISC > 1 Seymour St., Dundas Valley, NSW 2117, Australia > PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org > > _______________________________________________ > DNSOP mailing list > DNSOP@ietf.org > https://www.ietf.org/mailman/listinfo/dnsop -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
