Email Security Analysis of cerge.com

Complete verification of cerge.com's SPF, DKIM, DMARC, and MTA-STS records. Find out if this domain is protected against email spoofing.

Last updated: April 15, 2026

53C
This domain is vulnerable to spoofing

SPF

Warning
v=spf1 ip4:108.0.187.115 ip4:136.179.21.96/27 ip4:67.43.163.0/26 ip4:74.220.219.143 include:spf.protection.outlook.com include:spf.exclaimer.net include:spf.US.exclaimer.net include:mail.zendesk.com include:spf.myconnectwise.net ?all
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DKIM

OK
Selectors: selector1

DMARC

Warning
v=DMARC1; p=none; rua=mailto:postmaster@cerge.com;
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MX

OK
cerge-com.mail.protection.outlook.com

MTA-STS

Missing

No record found

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Recommendations

  1. 1Change your DMARC policy from p=none to p=reject to block spoofing

    With p=none, your DMARC record only monitors — it doesn't actually block spoofed emails. Attackers can still send emails as your domain and they'll be delivered normally. Switching to p=reject instructs receiving servers to drop fraudulent messages before they reach the inbox.

  2. 2Harden your SPF by replacing ~all with -all (hardfail)

    With ~all (softfail), unauthorized senders are flagged but emails are usually still delivered. Switching to -all (hardfail) explicitly tells receiving servers to reject emails from unauthorized sources, providing much stronger protection against spoofing.

  3. 3Add 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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