Provider

IONOS

201 domains tracked. 7.5% at DMARC enforcement (p=reject or p=quarantine), backed by 15 enforced domains.

Domains tracked
201
201
DMARC enforcement
7.5%
p=reject + p=quarantine
Avg posture score
37.9
of 100
A-grade domains
0
0 A+ · 0 A

Authentication posture

per protocol

DMARC

policy enforcement: 7.5%
reject
4.0%
quarantine
3.5%
none
77.1%
missing
15.4%

SPF

pass rate: 93.5%
pass
93.5%
warn
0.5%
fail
5.5%
not found
0.5%

DKIM

pass rate: 10.4%
0
pass
10.4%
warn
0.0%
fail
89.1%
not found
0.5%

MTA-STS

pass rate: 0.0%
00
pass
0.0%
warn
0.0%
fail
99.0%
not found
1.0%

TLS-RPT

pass rate: 0.0%
0
pass
0.0%
warn
36.3%
fail
62.7%
not found
1.0%

BIMI

pass rate: 0.5%
0
pass
0.5%
warn
0.0%
fail
98.5%
not found
1.0%

Top performers

20 of 201 tracked
#DomainScoreGrade
1calpaktravel.com76B
2americanbazaaronline.com71B
3babysparks.com71B
4edpolicyinca.org70B
5gotartwork.com70B
6aaroads.com66C
7eknightmedia.com66C
8ebible.org64C
9dashclicks.com63C
10cross.tv60C
1108.ge59C
12abilitymagazine.com58C
13acurapartswarehouse.com58C
14chevypartsdeal.com58C
15cosmoquest.org58C
16opticom.co.ke57C
17bestmasterfurnitures.com56C
18allthingschristmas.com55C
19hoy-milonga.com55C
20hymnary.org54C

How this is measured

Each tracked domain is scanned for SPF, DKIM, DMARC, MTA-STS, TLS-RPT, and BIMI. Result statuses (pass / fail / warn / not-found) and DMARC policy values are aggregated into this page nightly. The top performers list is capped at 20. The full corpus is much larger and is not enumerated publicly.

Data provenance

  • Scanner — Authex Labs public scanner (DNS, RFC-compliant)
  • Refreshed — daily at 04:05 UTC
  • Last seen 8 May 2026