Email Security Analysis of onited.nl
Complete verification of onited.nl's SPF, DKIM, DMARC, and MTA-STS records. Find out if this domain is protected against email spoofing.
Last updated: April 15, 2026
SPF
OKv=spf1 include:spf.protection.outlook.com -allDKIM
OKSelectors: selector1, selector2DMARC
OKv=DMARC1;p=reject;ruf=mailto:dmarc@onited.com;rua=mailto:288a4f5db4eb4d1b892f77d999e7cf38@dmarc-reports.cloudflare.net,mailto:dmarc@onited.com;sp=rejectMX
OKonited-nl.c-v1.mx.microsoftRecommendations
1Add MTA-STS to enforce TLS encryption for incoming emails
Without MTA-STS, an attacker performing a man-in-the-middle attack can downgrade the connection between mail servers to plaintext, intercepting emails in transit. MTA-STS tells sending servers to only deliver via TLS with a valid certificate, preventing downgrade attacks.
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Analyze onited.nl liveGuides to understand these results
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.