Open
Cached
·
just now
87/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=www.domainlifecycles.io
Issuer
C=US, O=Let's Encrypt, CN=YR1
Valid From
July 11, 2026
Valid Until
October 09, 2026
72 days
Public Key
RSA
4096 bit
Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
3C:10:21:95:82:51:7F:20:A7:D8:0B:26:6F:D5:A8:D1:00:AD:10:A8:AA:E2:E2:5F:84:FE:F1:5D:76:60:04:5E
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=63072000; includeSubDomains; preload
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Consider adding Permissions-Policy to control browser features
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
Subject Alternative Names
2 domains
www.domainlifecycles.io
b8liix-wwwdomainlifecyclesio-5522.site.rb-hosting.io
Other domains in certificate