OpenDKIM Statistics Report

Generated May 1 2025 10:00:01

Total records (messages) received:

Messages Signed
23904 24746

Reporting hosts and record counts:

Reporter Messages Since Last
medusa.blackops.org 23904 2010-08-30 00:00:42 2025-05-01 09:53:43

Overall message signature counts:

Signatures Messages
0 2414
1 18240
2 3244
3 6

DNSSEC results (see libopendkim/dkim.h):

DNSSEC code Signature Count
-1 34
0 2414
1 24712

DNSSEC trend:

Domains Year Month
1 2024 November
1 2024 December
1 2025 January
1 2025 February
1 2025 March
1 2025 April
1 2025 May

Overall pass/fail rate for signed mail:

Signatures Passed Failed (body)
24747 21740 22

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

Error Instances
no key found in DNS 49
multiple records returned 28
a= invalid 5
DNS query failed 3
signature expired 2
DNS reply corrupt 2
signature in the future 1
key could not be decoded 1

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

Author Signatures Passed
20253 17990
Third-Party Signatures Passed
4494 3750

Count of unique signed From: domains in sample:

Domains
829

Top 10 signing domains by signature count:

Domain Signatures
weightmans.com 4270
local.uvic.ca 3810
amazonses.com 1946
linkedin.com 794
tangerine.ca 771
ou.edu 693
chesapeakeregional.com 612
messagingfabric.com 556
maile.linkedin.com 556
service.govdelivery.com 556

Top 10 signing domains by passing signature percentage:

Domain Signatures % Passed
weightmans.com 4270 100.0000
local.uvic.ca 3810 100.0000
tangerine.ca 771 100.0000
chesapeakeregional.com 612 100.0000
linkedin.com 397 100.0000
wealthsimple.com 353 100.0000
googlemail.com 289 100.0000
maile.linkedin.com 278 100.0000
service.govdelivery.com 278 100.0000
messagingfabric.com 278 100.0000

Top 10 signing domains by failing signature percentage:

Domain Signatures % Failed
dkim.dotmailer.com 235 100.0000
email.pluginboutique.com 216 100.0000
camelcamelcamel.com 163 100.0000
Renownhealth.onmicrosoft.com 157 100.0000
optumcare.onmicrosoft.com 122 100.0000
yourhealthcare2.onmicrosoft.com 70 100.0000
m3aawg.org 69 100.0000
mail.blinkist.com 49 100.0000
traylorbros.onmicrosoft.com 47 100.0000
Matrixmednet.onmicrosoft.com 44 100.0000

Signing domain use counts:

Messages Domains
1 352
2 97
3 43
4 45
5 26
6 27
7 21
8 13
9 10
10 15

Trend in message signing rates:

Year Month % Signed
2024 November 122.7142
2024 December 124.6132
2025 January 128.7411
2025 February 113.5980
2025 March 75.8028
2025 April 104.0893
2025 May 128.2609

Trend in message signing rates:

Year Month Domains
2024 November 312
2024 December 324
2025 January 287
2025 February 322
2025 March 360
2025 April 407
2025 May 35

ATPS use:

Domains
0


Report completed at Thu May 1 10:00:06 2025