Email authentication
Email authentication is well configured.
Authorizes which servers may send mail for the domain
SPF is published and within limits.
v=spf1 include:_spf.shellrent.com include:_webdelivery.serverlet.com ip4:185.169.24.136 ip4:185.169.24.110 ip4:185.169.24.62 ip4:185.169.24.96 ip4:185.169.24.129 ip4:137.74.48.139 include:_spf.topdns.com -allCryptographically signs outgoing mail (best-effort selector probe)
DKIM key published for 2 known selectors.
Tells receivers what to do with mail that fails SPF and DKIM
DMARC is enforced.
v=DMARC1; p=quarantine; sp=none; pct=100; rua=mailto:[email protected]; adkim=r; aspf=r;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://www.shellrent.com/images/shellrent-bimi-logo.svg; a=;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.