v2digga

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

Results for

aon.com

Email authentication

Email authentication is well configured.

  • 4Pass
  • 0Warning
  • 0Fail
  • 2Not set

SPF

Pass

Authorizes which servers may send mail for the domain

SPF is published and within limits.

Policy
~all
DNS lookups
3 / 10
  • Ends in ~all (softfail): unauthorized senders are marked, not rejected.
  • Uses 3 of 10 allowed DNS lookups.
v=spf1 include:spf.aon.net include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all

DKIM

Pass

Cryptographically signs outgoing mail (best-effort selector probe)

DKIM key published for 8 known selectors.

Selectors
selector1, selector2, s1, s2, dkim, mandrill, mailjet, mte1
  • Found a DKIM key at selector1._domainkey.aon.com
  • Found a DKIM key at selector2._domainkey.aon.com
  • Found a DKIM key at s1._domainkey.aon.com
  • Found a DKIM key at s2._domainkey.aon.com
  • Found a DKIM key at dkim._domainkey.aon.com
  • Found a DKIM key at mandrill._domainkey.aon.com
  • Found a DKIM key at mailjet._domainkey.aon.com
  • Found a DKIM key at mte1._domainkey.aon.com

DMARC

Pass

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

DMARC is enforced.

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

MTA-STS

Not set

Enforces TLS for inbound mail and prevents downgrade attacks

No MTA-STS policy. Inbound mail can be delivered without TLS.

TLS-RPT

Not set

Receives reports about TLS delivery failures

No TLS-RPT record. You get no reports about failed TLS delivery.

BIMI

Pass

Displays your verified brand logo in supporting inboxes

BIMI is published.

Logo
https://vmc.digicert.com/b8896f1b-258f-494d-8b95-684bd31c8bd9.svg
VMC
https://vmc.digicert.com/b8896f1b-258f-494d-8b95-684bd31c8bd9.pem
  • A logo (l=) is published.
  • A Verified Mark Certificate (a=) is referenced.
v=BIMI1;l=https://vmc.digicert.com/b8896f1b-258f-494d-8b95-684bd31c8bd9.svg;a=https://vmc.digicert.com/b8896f1b-258f-494d-8b95-684bd31c8bd9.pem

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.