Free Tools

Check your email security for free .

Three specialized tools for DMARC, SPF and BIMI – right in your browser, no sign-up.

domainsecurity.de
DomainSecurity Score

Checks the complete email security status of a domain at a glance – DMARC, SPF, DKIM, BIMI and MTA-STS.

Score 0–100 with concrete recommendations
DMARC, SPF, DKIM, BIMI & MTA-STS
No sign-up · instant result
Open domainsecurity.de
spf-record.de
SPF Record Tools

Check, debug and rebuild your SPF record – including syntax validation, lookup-limit check and a step-by-step generator.

SPF Analyser & syntax validator
Check the DNS lookup limit (max. 10)
SPF record generator
Open spf-record.de
bimi-record.com
BIMI Record Tools

Check your BIMI record and validate logo requirements – so your brand logo appears in your recipients' inboxes.

BIMI record Analyser
SVG logo validation per spec
VMC certificate check (Gmail, Yahoo)
Open bimi-record.com
by nicmanagerBSI PartnerISO 27001 certifiedEU hosting4,000+ customers