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Request #54821 Add support for SPF records to dns_get_record
Submitted: 2011-05-18 13:28 UTC Modified: 2021-08-30 14:38 UTC
Votes:10
Avg. Score:4.5 ± 0.8
Reproduced:9 of 9 (100.0%)
Same Version:6 (66.7%)
Same OS:3 (33.3%)
From: agebosma at gmail dot com Assigned: cmb (profile)
Status: Wont fix Package: *Network Functions
PHP Version: 5.3.6 OS:
Private report: No CVE-ID: None
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 [2011-05-18 13:28 UTC] agebosma at gmail dot com 
Description:
------------
dns_get_record is quite handy for getting/checking DNS records of a specific domain. It, however, lacks support for records of the type SPF.
There is no DNS_SPF type and the record gets excluded from the complete list of records.

I would like to request a change to the dns_get_record function to support records of the type SPF as well.

See http://tools.ietf.org/html/rfc4408 for more information on the record type.

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 [2014-01-20 10:33 UTC] marcus at synchromedia dot co dot uk 
This was previously the case, but there's been very little uptake of the new type (though still significantly more than the dismal SenderID), and a new draft of RFC4408 (http://tools.ietf.org/html/draft-ietf-spfbis-4408bis-21#page-13) no longer recommends the separate SPF type.

Of course I only found this out after I'd written a patch, so if you really want it, you'll find it in my github fork: https://github.com/Synchro/php-src/tree/issue-54821. The SPF type remains a defined RR type, so there's no particular harm in still supporting it as some domains do publish it and PHP as it stands can't query them at all without this patch.

One alternative is to use php-dns, which does all kinds of dns wizardry, but it's a lot of code just to get at this small feature. http://www.purplepixie.org/phpdns/
 [2021-08-30 14:38 UTC] cmb@php.net
-Status: Open +Status: Wont fix -Assigned To: +Assigned To: cmb
 [2021-08-30 14:38 UTC] cmb@php.net 
> […], and a new draft of RFC4408 […] no longer recommends the
> separate SPF type.

And RFC 7208, which obsoletes RFC 4408, follows suit[1], so I
think we can close this feature request as WONTFIX, especially
since there is already request #65343.

[1] <https://datatracker.ietf.org/doc/html/rfc7208#section-3>
 
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