Email Security Analysis of ceiamerica.com
Complete verification of ceiamerica.com's SPF, DKIM, DMARC, and MTA-STS records. Find out if this domain is protected against email spoofing.
Last updated: April 14, 2026
SPF
OKv=spf1 include:usb._netblocks.mimecast.com include:apps.ceiamerica.com include:extapps.ceiamerica.com include:spf.protection.outlook.com -allDKIM
OKSelectors: selector1, s1, s2DMARC
OKv=DMARC1;p=reject;rua=mailto:3ae49bb47f@rua.easydmarc.us;ruf=mailto:3ae49bb47f@ruf.easydmarc.us;fo=1;MX
OKusb-smtp-inbound-1.mimecast.com, usb-smtp-inbound-2.mimecast.comRecommendations
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.
Run a live analysis
The results above are updated daily. For an instant check of ceiamerica.com, run a live analysis.
Analyze ceiamerica.com 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.