dxgears.com

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

Checking SPF, DKIM, and DMARC

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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.

2Pass
1Warning
0Fail
3Not set

SPF

Pass

Authorizes which servers may send mail for the domain

SPF is published and within limits.

Policy: ~all
DNS lookups: 2 / 10

Ends in ~all (softfail): unauthorized senders are marked, not rejected.
Uses 2 of 10 allowed DNS lookups.

v=spf1 include:_spf.protonmail.ch ~all

DKIM

Pass

Cryptographically signs outgoing mail (best-effort selector probe)

DKIM key published for 3 known selectors.

Selectors: s1, s2, protonmail

Found a DKIM key at s1._domainkey.dxgears.com
Found a DKIM key at s2._domainkey.dxgears.com
Found a DKIM key at protonmail._domainkey.dxgears.com

DMARC

Warning

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

DMARC is published but not fully enforcing.

Policy: p=quarantine
Coverage: 100%

Policy p=quarantine: failing mail is sent to spam.
No rua address: you receive no aggregate reports to monitor abuse.

v=DMARC1; p=quarantine

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.