Email Security Analysis of sealsystems.net
Complete verification of sealsystems.net's SPF, DKIM, DMARC, and MTA-STS records. Find out if this domain is protected against email spoofing.
Last updated: April 15, 2026
100A
This domain is protected against spoofing
SPF
OKv=spf1 mx ip4:67.43.172.59 include:zoho.com include:mcsignup.com include:servers.mcsv.net include:sender.zohoinvoice.com -allDKIM
OKSelectors: mailDMARC
OKv=DMARC1; p=reject; rua=mailto:c3c4ba31b9a944eeaa7b8544d3ee8fd1@dmarc-reports.cloudflare.net,mailto:re+puqbyoxfuez@dmarc.postmarkapp.com; ruf=mailto:dmarc@sealsystems.net; sp=quarantineMX
OKmail.sealsystems.netMTA-STS
OKv=STSv1; id=20260414T190000;Run a live analysis
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Analyze sealsystems.net 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.