Email Security Analysis of jesto.fr
Complete verification of jesto.fr's SPF, DKIM, DMARC, and MTA-STS records. Find out if this domain is protected against email spoofing.
Last updated: April 14, 2026
85B
This domain is protected against spoofing
DKIM
OKSelectors: google, default, selector1, selector2, k1, mandrill, dkim, mail, smtp, protonmail, protonmail2, protonmail3, zendesk1, zendesk2, resend, everlytickey1, cm, mxvault, zoho, zmail, fm1, fm2, fm3DMARC
OKv=DMARC1;p=reject; rua=mailto:cc1bc6327cbf49aabc1356ecb44d056b@dmarc-reports.cloudflare.net,mailto:dmarc-rua@jesto.fr; ruf=mailto:dmarc-ruf@jesto.frMX
OKjesto-fr.k-v1.mx.microsoftMTA-STS
OKv=STSv1; id=174049923580Z;Run a live analysis
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SPF Guide
Understand how SPF defines which servers are authorized to send emails for a domain.
DKIM Guide
Discover how DKIM cryptographically signs your emails to guarantee their authenticity.
DMARC Guide
Learn how DMARC orchestrates SPF and DKIM to protect your domain.
MTA-STS Guide
Learn how MTA-STS enforces TLS encryption to protect your emails in transit.
SPF vs DKIM vs DMARC
Compare the three protocols and understand how they work together.