OpenDKIM Statistics Report

Generated Feb 2 2026 10:00:00

Total records (messages) received:

Messages Signed
10657 14349

Reporting hosts and record counts:

Reporter Messages Since Last
medusa.blackops.org 10657 2010-08-30 00:00:42 2026-02-02 09:52:20

Overall message signature counts:

Signatures Messages
0 209
1 6547
2 3901

DNSSEC results (see libopendkim/dkim.h):

DNSSEC code Signature Count
-1 22
0 209
1 14327

DNSSEC trend:

Domains Year Month
1 2025 August
1 2025 September
1 2025 October
1 2025 November
1 2025 December
1 2026 January
1 2026 February

Overall pass/fail rate for signed mail:

Signatures Passed Failed (body)
14350 12648 7

Top ten error codes (see libopendkim/dkim.h):

Error Instances
no key found in DNS 45
multiple records returned 5
signature in the future 2
DNS reply corrupt 2
signature-key hash mismatch 1
unknown key version 1

Author vs. third-party signatures, non-MLM traffic:

Author Signatures Passed
9363 8436
Third-Party Signatures Passed
4987 4212

Count of unique signed From: domains in sample:

Domains
846

Top 10 signing domains by signature count:

Domain Signatures
amazonses.com 2624
amazon.ca 1508
tangerine.ca 930
linkedin.com 678
maile.linkedin.com 464
dkim.dotmailer.com 444
email.pluginboutique.com 444
messagingfabric.com 440
service.govdelivery.com 436
s12.y.mc.salesforce.com 374

Top 10 signing domains by passing signature percentage:

Domain Signatures % Passed
tangerine.ca 930 100.0000
amazon.ca 754 100.0000
facebookmail.com 355 100.0000
linkedin.com 339 100.0000
maile.linkedin.com 232 100.0000
messagingfabric.com 220 100.0000
service.govdelivery.com 218 100.0000
google.com 194 100.0000
s12.y.mc.salesforce.com 187 100.0000
sfsketchfest.com 184 100.0000

Top 10 signing domains by failing signature percentage:

Domain Signatures % Failed
email.pluginboutique.com 222 100.0000
dkim.dotmailer.com 222 100.0000
camelcamelcamel.com 117 100.0000
m3aawg.org 76 100.0000
shared.klaviyomail.com 69 100.0000
minimal.audio 64 100.0000
kouroshdini.com 54 100.0000
mailer.baileynelson.com 43 100.0000
mail.blinkist.com 40 100.0000
schramsberg.com 32 100.0000

Signing domain use counts:

Messages Domains
1 446
2 100
3 27
4 31
5 20
6 30
7 13
8 8
9 10
10 9

Trend in message signing rates:

Year Month % Signed
2025 August 138.2476
2025 September 134.3113
2025 October 135.4997
2025 November 135.4190
2025 December 132.8125
2026 January 132.4324
2026 February 128.7879

Trend in message signing rates:

Year Month Domains
2025 August 284
2025 September 335
2025 October 323
2025 November 358
2025 December 341
2026 January 334
2026 February 50

ATPS use:

Domains
0


Report completed at Mon Feb 2 10:00:03 2026