Re: [spfbis] Last Call: <draft-ietf-spfbis-4408bis-19.txt> (Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1) to Proposed Standard

[David Conrad <[e-mail]>]

On Aug 20, 2013, at 9:00 PM, Andrew Sullivan <[e-mail]> wrote:
> The WG had a hard time coming up with really good data about what validators look for, ... If someone else with some busy nameservers wants to provide different evidence now, it wouldn't hurt.

Out of morbid curiosity, I just looked at the logs from my name server (which has both TXT and SPF RRs but which is very, very far from being busy) with a quick perl hack:

2011/07/30 08:07:51 spf: 2, txt: 1, 200.000000%
2011/08/10 21:28:41 spf: 4, txt: 121, 3.305785%
2011/08/14 21:30:11 spf: 1, txt: 45, 2.222222%
2011/08/16 17:20:40 spf: 0, txt: 5, 0.000000%
2011/08/17 00:53:42 spf: 1, txt: 1, 100.000000%
2011/08/19 01:10:53 spf: 0, txt: 6, 0.000000%
2011/08/21 03:09:09 spf: 27, txt: 45, 60.000000%
2011/09/13 04:25:21 spf: 30, txt: 113, 26.548673%
2011/09/15 16:19:41 spf: 3, txt: 16, 18.750000%
2011/09/15 17:16:35 spf: 0, txt: 3, 0.000000%
2011/09/22 18:35:07 spf: 6, txt: 22, 27.272727%
2011/09/26 19:08:48 spf: 0, txt: 7, 0.000000%
2011/09/30 01:02:42 spf: 1, txt: 7, 14.285714%
2011/10/10 03:53:19 spf: 42, txt: 157, 26.751592%
2011/10/20 00:39:06 spf: 2, txt: 14, 14.285714%
2011/10/31 19:08:55 spf: 5, txt: 141, 3.546099%
2011/11/02 20:37:05 spf: 0, txt: 16, 0.000000%
2011/11/15 17:15:38 spf: 8, txt: 196, 4.081633%
2011/11/30 19:04:48 spf: 47, txt: 335, 14.029851%
2011/12/12 22:18:55 spf: 1, txt: 294, 0.340136%
2011/12/25 16:04:50 spf: 16, txt: 611, 2.618658%
2011/12/29 17:58:19 spf: 1, txt: 2, 50.000000%
2012/01/12 01:15:17 spf: 2, txt: 52, 3.846154%
2012/01/18 22:24:14 spf: 0, txt: 60, 0.000000%
2012/01/30 00:45:27 spf: 2, txt: 121, 1.652893%
2012/02/02 17:18:54 spf: 54, txt: 288, 18.750000%
2012/02/10 23:59:02 spf: 0, txt: 102, 0.000000%
2012/02/23 00:52:47 spf: 20, txt: 201, 9.950249%
2012/03/19 03:17:46 spf: 118, txt: 580, 20.344828%
2012/03/24 18:33:15 spf: 2, txt: 46, 4.347826%
2012/04/13 16:41:10 spf: 121, txt: 1743, 6.942054%
2012/05/19 18:20:14 spf: 54, txt: 631, 8.557845%
2012/06/07 13:52:26 spf: 82, txt: 961, 8.532778%
2012/07/05 02:48:39 spf: 26, txt: 339, 7.669617%
2012/07/05 18:24:30 spf: 0, txt: 4, 0.000000%
2012/07/07 19:21:02 spf: 3, txt: 25, 12.000000%
2012/07/17 14:48:32 spf: 3, txt: 156, 1.923077%
2012/08/07 18:19:36 spf: 7, txt: 269, 2.602230%
2012/08/19 04:38:08 spf: 23, txt: 198, 11.616162%
2012/08/31 21:23:20 spf: 27, txt: 190, 14.210526%
2012/10/21 07:45:13 spf: 185, txt: 1285, 14.396887%
2012/12/07 21:59:04 spf: 74, txt: 704, 10.511364%
2012/12/11 18:28:28 spf: 0, txt: 24, 0.000000%
2012/12/31 07:51:05 spf: 52, txt: 436, 11.926606%
2013/01/08 00:30:31 spf: 10, txt: 119, 8.403361%
2013/02/02 01:30:47 spf: 22, txt: 341, 6.451613%
2013/02/16 06:44:53 spf: 20, txt: 143, 13.986014%
2013/02/28 01:58:33 spf: 11, txt: 153, 7.189542%
2013/03/05 02:38:51 spf: 5, txt: 75, 6.666667%
2013/03/08 23:47:17 spf: 0, txt: 99, 0.000000%
2013/03/09 02:21:46 spf: 1, txt: 1, 100.000000%
2013/03/20 01:29:03 spf: 46, txt: 1232, 3.733766%
2013/03/24 06:22:59 spf: 15, txt: 212, 7.075472%
2013/03/26 06:03:50 spf: 0, txt: 11, 0.000000%
2013/03/31 23:17:16 spf: 8, txt: 208, 3.846154%
2013/04/06 05:19:48 spf: 37, txt: 587, 6.303237%
2013/04/07 21:53:19 spf: 1, txt: 37, 2.702703%
2013/04/16 18:50:43 spf: 13, txt: 279, 4.659498%
2013/04/22 05:52:43 spf: 3, txt: 163, 1.840491%
2013/04/29 17:56:04 spf: 14, txt: 440, 3.181818%
2013/05/22 16:26:40 spf: 20, txt: 606, 3.300330%
2013/05/23 12:08:25 spf: 1, txt: 9, 11.111111%
2013/05/23 12:30:12 spf: 0, txt: 1, 0.000000%
2013/05/28 19:14:02 spf: 21, txt: 380, 5.526316%
2013/07/01 02:29:15 spf: 51, txt: 2246, 2.270703%
2013/07/01 15:02:05 spf: 2, txt: 16, 12.500000%
2013/07/07 04:50:19 spf: 0, txt: 109, 0.000000%
2013/07/24 01:09:39 spf: 36, txt: 1395, 2.580645%
totals: spf: 1389, txt: 19435, 7.146900%

(the numbers are queries since the name server last restarted/dumped stats)

Will look for better data than my measly little name server.

Regards,
-drc