Results for cloudflare.com
Analysis performed on April 15, 2026 at 02:51 PM
90A
This domain is protected against spoofing
SPF
OKv=spf1 ip4:199.15.212.0/22 ip4:173.245.48.0/20 include:_spf.google.com include:spf1.mcsv.net include:spf.mandrillapp.com include:mail.zendesk.com include:stspg-customer.com include:_spf.salesforce.com -allDKIM
OKSelectors: k1, mandrill, s1, zendesk1, zendesk2DMARC
OKv=DMARC1; p=reject; pct=100; rua=mailto:rua@cloudflare.com,mailto:cloudflare@dmarc.area1reports.com; ruf=mailto:cloudflare@dmarc.area1reports.comMX
OKmxa-canary.global.inbound.cf-emailsecurity.net, mxb-canary.global.inbound.cf-emailsecurity.net, mxa.global.inbound.cf-emailsecurity.net, mxb.global.inbound.cf-emailsecurity.netRecommendations
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.
Badge for your website
Display your email security score on your website.
<a href="https://spoofchecker.online/en/email-security/cloudflare.com" target="_blank" rel="noopener"><img src="https://spoofchecker.online/api/badge/cloudflare.com?score=90&grade=A" alt="Email security score for cloudflare.com" height="28"></a>