OpenDKIM Statistics Report

Generated May 25 2025 10:00:01

Total records (messages) received:

Messages Signed
24245 25173

Reporting hosts and record counts:

Reporter Messages Since Last
medusa.blackops.org 24245 2010-08-30 00:00:42 2025-05-25 08:00:34

Overall message signature counts:

Signatures Messages
0 2448
1 18428
2 3362
3 7

DNSSEC results (see libopendkim/dkim.h):

DNSSEC code Signature Count
-1 33
0 2448
1 25140

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)
25174 21971 19

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

Error Instances
no key found in DNS 48
multiple records returned 26
a= invalid 5
DNS query failed 2
signature expired 2
signature in the future 1
key could not be decoded 1
DNS reply corrupt 1

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

Author Signatures Passed
20551 18171
Third-Party Signatures Passed
4623 3800

Count of unique signed From: domains in sample:

Domains
842

Top 10 signing domains by signature count:

Domain Signatures
weightmans.com 4270
local.uvic.ca 3810
amazonses.com 1947
tangerine.ca 807
linkedin.com 764
ou.edu 693
chesapeakeregional.com 612
maile.linkedin.com 550
messagingfabric.com 542
service.govdelivery.com 542

Top 10 signing domains by passing signature percentage:

Domain Signatures % Passed
weightmans.com 4270 100.0000
local.uvic.ca 3810 100.0000
tangerine.ca 807 100.0000
chesapeakeregional.com 612 100.0000
linkedin.com 382 100.0000
wealthsimple.com 325 100.0000
googlemail.com 289 100.0000
maile.linkedin.com 275 100.0000
messagingfabric.com 271 100.0000
service.govdelivery.com 271 100.0000

Top 10 signing domains by failing signature percentage:

Domain Signatures % Failed
dkim.dotmailer.com 227 100.0000
email.pluginboutique.com 210 100.0000
Renownhealth.onmicrosoft.com 157 100.0000
camelcamelcamel.com 152 100.0000
optumcare.onmicrosoft.com 122 100.0000
jamesriverins.onmicrosoft.com 109 100.0000
yourhealthcare2.onmicrosoft.com 70 100.0000
m3aawg.org 67 100.0000
traylorbros.onmicrosoft.com 47 100.0000
Matrixmednet.onmicrosoft.com 44 100.0000

Signing domain use counts:

Messages Domains
1 364
2 112
3 49
4 40
5 20
6 27
7 18
8 10
9 13
10 10

Trend in message signing rates:

Year Month % Signed
2024 November 120.6731
2024 December 124.6132
2025 January 128.7411
2025 February 113.5980
2025 March 75.8028
2025 April 104.0893
2025 May 123.8596

Trend in message signing rates:

Year Month Domains
2024 November 164
2024 December 324
2025 January 287
2025 February 322
2025 March 360
2025 April 407
2025 May 288

ATPS use:

Domains
0


Report completed at Sun May 25 10:00:06 2025