Email Security Analysis of icloud.com
Complete verification of icloud.com's SPF, DKIM, and DMARC records. Find out if this domain is protected against email spoofing.
Last updated: April 2, 2026
55C
This domain is protected against spoofing
SPF
Warningv=spf1 ip4:17.41.0.0/16 ip4:17.58.0.0/16 ip4:17.142.0.0/15 ip4:17.57.155.0/24 ip4:17.57.156.0/24 ip4:144.178.36.0/24 ip4:144.178.38.0/24 ip4:112.19.199.64/29 ip4:112.19.242.64/29 ip4:222.73.195.64/29 ip4:157.255.1.64/29 ip4:106.39.212.64/29 ip4:123.126.78.64/29 ip4:183.240.219.64/29 ip4:39.156.163.64/29 ip4:57.103.64.0/18 ip6:2a01:b747:3000:200::/56 ip6:2a01:b747:3001:200::/56 ip6:2a01:b747:3002:200::/56 ip6:2a01:b747:3003:200::/56 ip6:2a01:b747:3004:200::/56 ip6:2a01:b747:3005:200::/56 ip6:2a01:b747:3006:200::/56 ~allRead the guide
DMARC
Warningv=DMARC1; p=quarantine; sp=quarantine; rua=mailto:d@rua.agari.com; ruf=mailto:d@ruf.agari.comRead the guide
MX
OKmx02.mail.icloud.com, mx01.mail.icloud.comRecommendations
- 1Upgrade your DMARC policy from p=quarantine to p=reject for full blocking
- 2Harden your SPF by replacing ~all with -all (hardfail)
- 3Enable DKIM in your email provider and add the public key to your DNS zone
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Analyze icloud.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.
SPF vs DKIM vs DMARC
Compare the three protocols and understand how they work together.