89/100 SECURITY SCORE

Certificate Information

Subject
CN=dev.alterum.energy
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
August 20, 2026
Valid Until
November 18, 2026 79 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
B0:25:36:8C:2E:B3:BD:D9:74:B8:FA:01:3C:67:C3:D1:C5:14:21:6D:19:E5:A5:90:80:4A:00:8F:6F:F2:E6:3C
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
geolocation=(), microphone=(), camera=()
Recommendations
  • Consider adding 'preload' to HSTS for maximum security
  • Add Content-Security-Policy header to prevent XSS attacks

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

100 domains
win.thinkresearch.com

Other domains in certificate

igameads-staging.adssets.com
aeternusresearch.org
almostsigned.com
dev.alterum.energy
arcanum.ink
argumentoproducoes.com
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