On Wed, Mar 28, 2018 at 05:43:29PM -0400, Robert Edmonds wrote: > Whatever the long gone original experiments that NULL was intended for > that are alluded to in STD 13, NULL has some present day operational > utility in that it's explicitly defined as carrying as much arbitrary > data as can fit, and NULL RRs can be used with RFC 3597 generic syntax > without squatting on a code point. > > It has no presentation format and is not allowed in master zone files so > presumably it is also the easiest RR type to implement.
I just learned from Geoff Huston a few days ago that his test servers use NULL RR's when they need to construct large responses. -- Evan Hunt -- e...@isc.org Internet Systems Consortium, Inc. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop