Open
Cached
·
just now
92/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=poppulo.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
April 10, 2026
Valid Until
July 09, 2026
72 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E5:37:99:08:5B:4B:86:4C:1D:E4:3E:87:07:19:21:57:AA:A3:E6:C4:EF:51:94:C0:DF:E4:19:27:5E:20:41:E1
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), microphone=(), geolocation=(*)
Recommendations
- • Significantly strengthen CSP directives
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