v2digga

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

Results for

shell.com

Email authentication

The basics are in place but can be hardened.

  • 4Pass
  • 1Warning
  • 0Fail
  • 1Not set

SPF

Pass

Authorizes which servers may send mail for the domain

SPF is published and within limits.

Policy
-all
DNS lookups
7 / 10
  • Ends in -all (hardfail): unauthorized senders are rejected.
  • Uses 7 of 10 allowed DNS lookups.
v=spf1 exists:_i.%{i}._h.%{h}._o.%{o}._spf.shell.com include:_spf.shell.com include:_spf1.shell.com include:spf.protection.outlook.com include:_spf.salesforce.com -all

DKIM

Pass

Cryptographically signs outgoing mail (best-effort selector probe)

DKIM key published for 6 known selectors.

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

DMARC

Pass

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

DMARC is enforced.

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

MTA-STS

Warning

Enforces TLS for inbound mail and prevents downgrade attacks

MTA-STS is published but not enforcing.

  • The DNS record exists but the policy file could not be read.
v=STSv1;id=20260423120000Z

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/7f899f0a-0de4-4ece-b99e-997ae6f3d169.svg
VMC
https://vmc.digicert.com/7f899f0a-0de4-4ece-b99e-997ae6f3d169.pem
  • A logo (l=) is published.
  • A Verified Mark Certificate (a=) is referenced.
v=BIMI1;l=https://vmc.digicert.com/7f899f0a-0de4-4ece-b99e-997ae6f3d169.svg;a=https://vmc.digicert.com/7f899f0a-0de4-4ece-b99e-997ae6f3d169.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.