v2digga

Apex, subdomain, or URL. We figure it out.

Results for

exclaimer.com

Email authentication

The basics are in place but can be hardened.

  • 5Pass
  • 1Warning
  • 0Fail
  • 0Not set

SPF

Warning

Authorizes which servers may send mail for the domain

SPF is published but could be tightened.

Policy
~all
DNS lookups
10 / 10
  • Ends in ~all (softfail): unauthorized senders are marked, not rejected.
  • Uses 10 of 10 allowed DNS lookups. Close to the limit.
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:stspg-customer.com include:_spf.salesforce.com include:amazonses.com include:_spf.google.com include:145642858.spf03.hubspotemail.net include:_spf.psm.knowbe4.com ip4:81.144.226.230 ip4:51.141.45.110 ip4:192.174.86.136 ip4:51.140.37.132 ip4:51.141.5.228 ~all

DKIM

Pass

Cryptographically signs outgoing mail (best-effort selector probe)

DKIM key published for 5 known selectors.

Selectors
selector1, selector2, s1, s2, k1
  • Found a DKIM key at selector1._domainkey.exclaimer.com
  • Found a DKIM key at selector2._domainkey.exclaimer.com
  • Found a DKIM key at s1._domainkey.exclaimer.com
  • Found a DKIM key at s2._domainkey.exclaimer.com
  • Found a DKIM key at k1._domainkey.exclaimer.com

DMARC

Pass

Tells receivers what to do with mail that fails SPF and DKIM

DMARC is enforced.

Policy
p=reject
Subdomains
sp=reject
Coverage
100%
  • Policy p=reject: failing mail is rejected outright.
  • Aggregate reports (rua) are configured.
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100

MTA-STS

Pass

Enforces TLS for inbound mail and prevents downgrade attacks

MTA-STS is enforcing TLS.

Mode
enforce
Max age
1209600s
  • Policy mode is enforce: TLS is required for inbound mail.
v=STSv1; id=20250912081800Z

TLS-RPT

Pass

Receives reports about TLS delivery failures

TLS reporting is configured.

Reports to
mailto:[email protected]
  • TLS delivery failure reports are being collected.
v=TLSRPTv1;rua=mailto:[email protected]

BIMI

Pass

Displays your verified brand logo in supporting inboxes

BIMI is published.

Logo
https://exclaimer.com/img/exclaimer-logo.svg
  • A logo (l=) is published.
v=BIMI1;l=https://exclaimer.com/img/exclaimer-logo.svg

Checks query live DNS over Cloudflare and the public MTA-STS policy endpoint. DKIM selectors cannot be listed from DNS, so DKIM detection probes common provider selectors only.