Email Security Analysis of systemsbiology.net
Complete verification of systemsbiology.net'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 ip4:74.114.66.241 ip4:74.114.64.241 include:_spf.google.com include:usb._netblocks.mimecast.com include:servers.mcsv.net mx:res.cisco.com include:outboundmail.blackbaud.net -allDKIM
OKSelectors: googleDMARC
OKv=DMARC1; p=reject; rua=mailto:dmarc@systemsbiology.net,mailto:dmarc_agg@vali.email;MX
OKusb-smtp-inbound-2.mimecast.com, usb-smtp-inbound-1.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.
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Analyze systemsbiology.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.