On Mon, Sep 14, 2020 at 04:32:52PM +0200, libor.peltan wrote: > ... > > While it seems reasonable to disclose some properties of the zone by an > extra zone RR (although it would probably require extra query!), the > properties of DNS server will often vary since implementation diversity is a > general recommendation.
+1. > I don't know the foreseeable use-cases for this or similar kinds of > properties signalization. ... in _structured requirements definition_ (1982), author ken orr puts forth a strong argument that "data which is not used will be wrong" (among other strong arguments). https://www.amazon.com/gp/offer-listing/B002V1CES2/ref=tmm_pap_used_olp_0?ie=UTF8&condition=used > By the way, the operators tend to hide properties of their server > implementations, rather than disclose it. See version.server. CH TXT ... also +1. -- Paul Vixie _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop