SPF record

[Benno Goedhart]

Hi all,

I'm trying to add a SPF-record . I used to do this with TXT records, but now I noticed there's also the choice for SPF in PowerAdmin. Though, when I choose this option, the record doesn't get added to the zonefile. Also when I try to add a TXT record for SPF, the quotes are removed in the content part. Querying the DNS after this, results in nothing. What am I doing wrong?

[Chris Hunt]

I believe it depends on your DNS server daemon, but i believe use of this RR type has been abandoned in favor of TXT records.  At $DAYJOB, we do not permit the use of SPF RRs in our implementation of PowerDNS.  We run PowerDNS.  Dunno about the quotes. 

HTH
-Chris

On 8/4/2014 1:33 AM, Benno Goedhart wrote:

Hi all,

I'm trying to add a SPF-record . I used to do this with TXT records, but now I noticed there's also the choice for SPF in PowerAdmin. Though, when I choose this option, the record doesn't get added to the zonefile. Also when I try to add a TXT record for SPF, the quotes are removed in the content part. Querying the DNS after this, results in nothing. What am I doing wrong?

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[Jo Rhett]

Reverse is true. SPF records are preferred, TXT records are a fallback mechanism. See http://www.ietf.org/rfc/rfc4408.txt sections 3.1.1 and 4.5. RFC 6686 indicated that RRTYPE 99 was uncommon, but indicated several ways to improve support for it without ever saying to stop using it.

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Jo Rhett
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Skype: jorhett
Net Consonance : net philanthropy to improve open source and internet projects.

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[Darac Marjal]

On Wed, Aug 06, 2014 at 01:37:37AM -0700, Jo Rhett wrote:
> Reverse is true. SPF records are preferred, TXT records are a fallback

> mechanism. See [1]http://www.ietf.org/rfc/rfc4408.txt sections 3.1.1 and

> 4.5. RFC 6686 indicated that RRTYPE 99 was uncommon, but indicated several
> ways to improve support for it without ever saying to stop using it.

RFC 7208 obsoletes 4408 and states:

3.1. DNS Resource Records


SPF records MUST be published as a DNS TXT (type 16) Resource Record
(RR) [RFC1035] only. The character content of the record is encoded
as [US-ASCII]. Use of alternative DNS RR types was supported in
SPF's experimental phase but has been discontinued.

> On Aug 5, 2014, at 9:01 AM, Chris Hunt <[2]dharm...@gmail.com> wrote:
>
> I believe it depends on your DNS server daemon, but i believe use of
> this RR type has been abandoned in favor of TXT records.  At $DAYJOB, we
> do not permit the use of SPF RRs in our implementation of PowerDNS.  We
> run PowerDNS.  Dunno about the quotes. 
>
> HTH
> -Chris
>
> On 8/4/2014 1:33 AM, Benno Goedhart wrote:
>
> Hi all,
> I'm trying to add a SPF-record . I used to do this with TXT records,
> but now I noticed there's also the choice for SPF in PowerAdmin.
> Though, when I choose this option, the record doesn't get added to the
> zonefile. Also when I try to add a TXT record for SPF, the quotes are
> removed in the content part. Querying the DNS after this, results in
> nothing. What am I doing wrong?
> --
> You received this message because you are subscribed to the Google
> Groups "Poweradmin" group.
> To unsubscribe from this group and stop receiving emails from it, send

> an email to [3]poweradmin+...@googlegroups.com.
> For more options, visit [4]https://groups.google.com/d/optout.

>
> --
> You received this message because you are subscribed to the Google
> Groups "Poweradmin" group.
> To unsubscribe from this group and stop receiving emails from it, send

> an email to [5]poweradmin+...@googlegroups.com.
> For more options, visit [6]https://groups.google.com/d/optout.

>
> -- 
> Jo Rhett
> +1 (415) 999-1798
> Skype: jorhett
> Net Consonance : net philanthropy to improve open source and
> internet projects.
>
> Author of 
>   - Learning

> MCollective: [7]http://shop.oreilly.com/product/0636920032472.do
>   - Instant Puppet 3
> Starter: [8]http://www.netconsonance.com/instant-puppet-3-starter-book/

>
> --
> You received this message because you are subscribed to the Google Groups
> "Poweradmin" group.
> To unsubscribe from this group and stop receiving emails from it, send an

> email to [9]poweradmin+...@googlegroups.com.
> For more options, visit [10]https://groups.google.com/d/optout.
>
> References
>
> Visible links
> 1. http://www.ietf.org/rfc/rfc4408.txt
> 2. mailto:dharm...@gmail.com
> 3. mailto:poweradmin+...@googlegroups.com
> 4. https://groups.google.com/d/optout
> 5. mailto:poweradmin+...@googlegroups.com
> 6. https://groups.google.com/d/optout
> 7. http://shop.oreilly.com/product/0636920032472.do
> 8. http://www.netconsonance.com/instant-puppet-3-starter-book/
> 9. mailto:poweradmin+...@googlegroups.com
> 10. https://groups.google.com/d/optout

[Jo Rhett]

On Aug 6, 2014, at 3:28 AM, Darac Marjal <maili...@darac.org.uk> wrote:
> On Wed, Aug 06, 2014 at 01:37:37AM -0700, Jo Rhett wrote:
>> Reverse is true. SPF records are preferred, TXT records are a fallback
>> mechanism. See [1]http://www.ietf.org/rfc/rfc4408.txt sections 3.1.1 and
>> 4.5. RFC 6686 indicated that RRTYPE 99 was uncommon, but indicated several
>> ways to improve support for it without ever saying to stop using it.
>
> RFC 7208 obsoletes 4408 and states:

When looking up RFCs you really should read the status. That proposed text is highly debated, and has near-zero chance of approval even with major editing.