Frank Ellermann wrote:
I think those concepts should be clarified, referencing the
relevant RFC where apropriate
Post numbers, please. I'd know where to find the MTAMARK draft,
unfortunately that never made it. The reverse lookup draft is
just in WGLC and should be available if needed as reference.
I guess you mean draft-ietf-dnsop-reverse-mapping-considerations-06.
It has a number of interesting consideration w.r.t. DNSBLs, as it also
considers anti-spam as a topic. Specifically, in-addr.arpa could be
considered a DNSWL in its own right.
The other relevant topic is [r]whois maintenance. I'm not an RFC
connoisseur, and I'm quite lost here. The specs, e.g. rfc1714 or
rfc3912, limit themselves with protocol specification, even if they
suggest that tracking IP assignment is the intended usage. Rfc2050
mentions a database that is maintained by adding reassignment
information, but doesn't say if and how it is published. Perhaps,
there is room enough in the DNSBL BCP to informally suggest that
published information about IP assignments _is_ available, and that
the point of contact mentioned there is responsible for referring to
the final user of a given number. Policies and obligations for
actually providing such reference obviously vary.
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