Email authentication
The basics are in place but can be hardened.
Authorizes which servers may send mail for the domain
SPF is published but could be tightened.
v=spf1 include:_spf.google.com include:servers.mcsv.net include:sent-via.netsuite.com include:spf.openair.com include:spf.openair1.com include:40162502.spf05.hubspotemail.net -allCryptographically signs outgoing mail (best-effort selector probe)
DKIM key published for 4 known selectors.
Tells receivers what to do with mail that fails SPF and DKIM
DMARC is enforced.
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; adkim=r; aspf=r; ruf=mailto:[email protected];Enforces TLS for inbound mail and prevents downgrade attacks
No MTA-STS policy. Inbound mail can be delivered without TLS.
Receives reports about TLS delivery failures
No TLS-RPT record. You get no reports about failed TLS delivery.
Displays your verified brand logo in supporting inboxes
BIMI is published.
v=BIMI1;l=https://clearobject.com/co_teal_logo.svg;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.