I remain puzzled at the entire technological motivation that CloudFlare
claims for this deliberate creation of interoperability problems.
In particular, what exactly is the programming difficulty that they
claim they're encountering in implementing QTYPE=*? Are they also having
trouble
Paul Wouters writes:
So if the MX or record has expired from the cache but another
RRtype with larger TTL (say NS) is still in there, your ANY query will
fail to find records.
The client is behaving correctly. The ANY query isn't guaranteed to find
the MX, but you're wrong in claiming
My qmail software is very widely deployed (on roughly 1 million SMTP
server IP addresses) and, by default, relies upon ANY queries in a way
that is guaranteed to work by the mandatory DNS standards.
Specifically, query type ANY matches all RR types for that node on
that server. There's an example
Edward Lewis writes:
Operators are not bound to comply with what the IETF documents.
As I said before, this is making a mockery of the IETF standardization
process. Instead of
* obeying the existing mandatory standards,
* giving due respect to the installed base relying on the standards,
