artboxy.com

01Overview 02DNS 03WHOIS 04Subdomains 05Email 06TLS

Checking SPF, DKIM, and DMARC

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Email Security Check
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digga is open source under AGPL 3.0.

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Checking SPF, DKIM, and DMARC

Email authentication

The basics are in place but can be hardened.

1Pass
2Warning
0Fail
3Not set

SPF

Warning

Authorizes which servers may send mail for the domain

SPF is published but could be tightened.

Policy: none
DNS lookups: 5 / 10

No all mechanism: the record has no default policy for unlisted senders.
Uses 5 of 10 allowed DNS lookups.

v=spf1 redirect=artboxy.com.hosted.spf-report.com

DKIM

Pass

Cryptographically signs outgoing mail (best-effort selector probe)

DKIM key published for 3 known selectors.

Selectors: selector1, s1, s2

Found a DKIM key at selector1._domainkey.artboxy.com
Found a DKIM key at s1._domainkey.artboxy.com
Found a DKIM key at s2._domainkey.artboxy.com

DMARC

Warning

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

DMARC is published but not fully enforcing.

Policy: p=none
Coverage: 100%

Policy p=none: DMARC is in monitoring mode only and does not block spoofed mail.
No rua address: you receive no aggregate reports to monitor abuse.

v=DMARC1; p=none;

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

Not set

Displays your verified brand logo in supporting inboxes

No BIMI record. No brand logo is published for inboxes.

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.