spf ent txt records.

G.W. Haywood bind at jubileegroup.co.uk
Wed Mar 13 12:09:15 UTC 2013

Hi there,

On Wed, 13 Mar 2013, hugo hugoo wrote:

> I received the following question and I am not able to aswer as spf
> records are still mysterious to me.  We are using BIND 9.7.
> Does our DNS-server support SPF-type records? Or do we put SPF-info in a 
> TXT-record?

My answers would be "Yes" and "Yes".

> Ref. : Early implementations used TXT records for implementation before the 
> new record type was commonly available in DNS software. Use of TXT records 
> for SPF was intended
> as a transitional mechanism. However, according to the current RFC, RFC 4408, 
> section 3.1.1, "An SPF-compliant domain name SHOULD have SPF records of both 
> RR types. A
> compliant domain name MUST have a record of at least one type," and as such, 
> TXT record use is not deprecated.[2]

The SPF type RR seems to me to be dying.  Hardly anyone uses it.



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