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Re: provisioning software, was DNS RRTYPEs, the difficulty with

2012-03-06 19:09:05
Last month I ran into a guy on the dmarc list who complained that his
server returns NOTIMP in response to queries for SPF records ("because
it doesn't implement them") and clients were doing odd things.  But
it's been a long time since I've run into anyone else like that, so I
agree, it's not an issue.

In case it wasn't clear, this is an authoritative server.

A RFC 1035 recursive server should be able to handle SPF.  It's
just a opaque data blob to it with a name, type, class and ttl
attributes.

Agreed.  Other than a few dusty Suns still running obsolete BIND 4.x,
I don't know of any DNS caches that have problems with arbitrary RRs.

R's,
John
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