In <200701100524(_dot_)l0A5Oam13123(_at_)www(_dot_)watkins-home(_dot_)com>
"Guy" <spf(_at_)watkins-home(_dot_)com> writes:
} > But the TXT-type lookup could accidentally fail due to resource
} > constraints on the authoritative name server or on the resolver.
}
} Or TXT requires TCP while SPF works with UDP.
Can this happen if both records MUST have identical content?
Yes, there could be other, non-SPF TXT records. The reverse is also
true, there could be non-SPF type99 SPF records. In particular, there
could be SPFv2 or later versions of SPF if we ever get to that point.
-wayne
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