Open
Cached
·
just now
80/100
SECURITY SCORE
Certificate Information
Subject
C=US, ST=California, O=Proofpoint, Inc., CN=api.nexgate.com
Issuer
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36
Valid From
August 28, 2025
Valid Until
August 28, 2026
289 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
1D:07:3C:DE:6A:1E:D2:0E:13:48:AE:B7:D3:30:BC:D9:78:9F:4E:45:47:60:1D:F1:F7:ED:E4:B2:82:EB:F5:25
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports