[Opendnssec-user] spf record and opendnssec?
miek at miek.nl
Thu Nov 29 15:04:41 UTC 2012
[ Quoting <WBrown at e1b.org> in "RE: [Opendnssec-user] spf record an..." ]
> According to "DNS and BIND", 4th ed, pg 154, the limit is 2K. I couldn't
> find in the the BIND 9 ARM, other than a reference to RFC 1035.
and that reference (rfc 1035) is pretty clear, section 3.3.14
TXT-DATA One or more <character-string>s.
Each <character-string> is (section 3.3 of that same RFC):
<character-string> is a single length octet followed by that number of
characters. <character-string> is treated as binary information, and can
be up to 256 characters in length (including the length octet).
I only have the 3rd ed. of "DNS and BIND" so I can not verify your claim
it (wrongly) tells the maximum is 2K. The maximum is the max length of the
rdata, which is 64K.
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