Stephane Bortzmeyer <bortzme...@nic.fr> wrote: > > I've read it, noticed that it is not just a documentation of local > practices but it wants to be published as BCP, and: > > * it is not clear which problem it is trying to solve.
Thanks Stephane. I agree with your observations, with a couple of amendments... > * caching SERVFAIL, as recommended (section 4), raises an interesting > question: for how long? (Unlike NXDOMAIN, SERVFAIL answers do not > provide an indirect TTL) This is a feature of the forthcoming BIND 9.11. The default servfail-ttl is one second. (I don't know if other servers have a similar feature.) https://source.isc.org/cgi-bin/gitweb.cgi?p=bind9.git;a=blob;f=CHANGES;hb=refs/heads/master#l1370 > * if someone really wants to do "pre-fetching" (section 5), it does > not require a new RFC or an update of the name servers. Just request > the names you want, through the resolver/cache. There was https://tools.ietf.org/html/draft-wkumari-dnsop-hammer which seems to have been dropped through lask of interest. I think this is a terrible shame, but I'm biased because of the first sentence of section 9. Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ - I xn--zr8h punycode Fitzroy: Westerly or southwesterly 7 to severe gale 9, perhaps storm 10 later. Very rough or high, occasionally very high later in northwest. Rain or showers. Moderate occasionally poor. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
