Mark Andrews <[email protected]> wrote: > In message <[email protected]>, "Paul Hoffman" > writ > es: > > > > If the response packet does not provide for more than 512 octets due > > to lack of EDNS0 support, A RRSets SHOULD be given preference over > > AAAA RRSets when filling the additional section. > > I would recommend that the transport family used to make the query > should be the determining factor for which additional records are > dropped.
I was going to make the same point :-) > > What to do with payload sizes indicated by > > EDNS0 that are smaller than 1024, is open to discussion. Do the same thing with or without EDNS0. > > At the time > > of writing, some root name servers will fill the additional section > > with all available A RRSets, only adding some AAAA RRSets, when > > queried over IPv4 without EDNS0. They have the same behaviour (prioritize A) when queried on IPv6. Tony. -- f.anthony.n.finch <[email protected]> http://dotat.at/ Lundy, Fastnet, Irish Sea: Northeast 4 or 5. Slight or moderate, but smooth or slight in Irish Sea. Fair. Good. _______________________________________________ DNSOP mailing list [email protected] https://www.ietf.org/mailman/listinfo/dnsop
