dnb.no

Email authentication

Email authentication is well configured.

6Pass
0Warning
0Fail
0Not set

SPF

Pass

Authorizes which servers may send mail for the domain

SPF is published and within limits.

Policy: ~all
DNS lookups: 1 / 10

Ends in ~all (softfail): unauthorized senders are marked, not rejected.
Uses 1 of 10 allowed DNS lookups.

v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

DKIM

Pass

Cryptographically signs outgoing mail (best-effort selector probe)

DKIM key published for 4 known selectors.

Selectors: s1, s2, k1, mail

Found a DKIM key at s1._domainkey.dnb.no
Found a DKIM key at s2._domainkey.dnb.no
Found a DKIM key at k1._domainkey.dnb.no
Found a DKIM key at mail._domainkey.dnb.no

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],mailto:[email protected]

MTA-STS

Pass

Enforces TLS for inbound mail and prevents downgrade attacks

MTA-STS is enforcing TLS.

Mode: enforce
Max age: 860480s

Policy mode is enforce: TLS is required for inbound mail.

v=STSv1; id=20240821

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://vmc.digicert.com/02cc892e-b27c-49e6-9c34-57bb0d3db06a.svg
VMC: https://vmc.digicert.com/02cc892e-b27c-49e6-9c34-57bb0d3db06a.pem

A logo (l=) is published.
A Verified Mark Certificate (a=) is referenced.

v=BIMI1; l=https://vmc.digicert.com/02cc892e-b27c-49e6-9c34-57bb0d3db06a.svg; a=https://vmc.digicert.com/02cc892e-b27c-49e6-9c34-57bb0d3db06a.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.