I wanted to point out that, for various reasons explained in RFC 6686, the SPF RRTYPE appears to be headed for obsolescence in the forthcoming update to SPF.
Yes, it would have been nice to have a separate RRTYPE, but at least for SPF, TXT records seem to be the way the IETF is going.
After quick Google search, I found this, at http://features.cpanel.net/responses/ability-to-create-spf-type-99-records:
Hello,
I wanted to point out that, for various reasons explained in RFC 6686, the SPF RRTYPE appears to be headed for obsolescence in the forthcoming update to SPF.
Yes, it would have been nice to have a separate RRTYPE, but at least for SPF, TXT records seem to be the way the IETF is going.
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