"Transport of a query may be by either UDP or TCP. If an IXFR query is via UDP, the IXFR server may attempt to reply using UDP if the entire response can be contained in a single DNS packet. If the UDP reply does not fit, the query is responded to with a single SOA record of the server's current version to inform the client that a TCP query should be initiated."
https://tools.ietf.org/html/rfc1995 On Wed, Mar 28, 2018 at 10:43 AM, Pieter Lexis <pieter.le...@powerdns.com> wrote: > Hi Matthijs, > > On Wed, 28 Mar 2018 15:31:57 +0200 > Matthijs Mekking <matth...@pletterpet.nl> wrote: > > > It's been a while, but I have put up a new version of the MIXFR draft: > > > > https://tools.ietf.org/html/draft-mekking-mixfr-02 > > The draft speaks of an OPCode in the IANA section and of a meta > RRType in the examples and Introduction section, which is it? > > If it is an RRType, some words need to be added about the fact that > current resolvers will pass through the MIXFR query and not reply with > NOTIMPL. In a similar vein, unaware auths will respond with an NXDOMAIN > or (more likely) a NODATA in that case. > > Best regards, > > Pieter > > -- > Pieter Lexis > PowerDNS.COM BV -- https://www.powerdns.com > > _______________________________________________ > DNSOP mailing list > DNSOP@ietf.org > https://www.ietf.org/mailman/listinfo/dnsop >
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