On 8 Dec 2015, at 15:09, Paul Wouters wrote:
Hi,
Section 6.2 of 4034 talks about canonicalization of the RR Form
Item 3 states:
3. if the type of the RR is NS, MD, MF, CNAME, SOA, MB, MG, MR, PTR,
HINFO, MINFO, MX, HINFO, RP, AFSDB, RT, SIG, PX, NXT, NAPTR, KX,
SRV, DNAME, A6, RRSIG, or NSEC, all uppercase US-ASCII letters in
the DNS names contained within the RDATA are replaced by the
corresponding lowercase US-ASCII letters;
My questions:
a) What was the purpose of listening these and not all RRtypes?
(It seems perhaps it wanted to say "All except A/AAAA")
These specific RR types contain a DNS name in the RDATA. Up until
RFC3597 they might have been subject to name compression.
b) What should be done with new RRtypes like OPENPGPKEY or SMIMA?
Nothing.
c) Why the hell - hardcoded lists and not IANA registry?
Calm down. This is a complete set. Not to be expanded, ever. Exceptions
to the RFC3597 rules (where the list originates) because they predate
it.
d) Does this need updating or an errata?
Not that I know.
Roy
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