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SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=mailgun.org
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
April 28, 2026
Valid Until
July 27, 2026
34 days
Public Key
ECDSA
384 bit
(P-384)
Strong
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
9C:59:BC:30:D9:4C:9B:02:D4:61:6D:44:18:21:2C:3B:BC:67:00:9A:65:05:A7:8E:3F:83:77:1C:4B:2E:BA:D6
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
Wildcard CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts