Cached · just now
92/100 SECURITY SCORE

Certificate Information

Subject
CN=greenvelope.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
June 21, 2026
Valid Until
September 19, 2026 39 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
DC:45:EB:9A:D1:B7:10:61:BB:48:B8:27:ED:7B:C8:1D:FB:5A:56:79:94:BF:53:02:86:61:8F:75:B1:3E:81:FD
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
Missing
Not configured
Content-Security-Policy
Basic
default-src; script-src; script-src-attr; +8 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Present
accelerometer=(), camera=(), clipboard-read=(); +13 more
Recommendations
  • Add Strict-Transport-Security header with max-age of at least 1 year
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
comodoca.com digicert.com ; cansignhttpexchanges=yes letsencrypt.org pki.goog ; cansignhttpexchanges=yes ssl.com
Wildcard CAs
ssl.com comodoca.com digicert.com ; cansignhttpexchanges=yes letsencrypt.org pki.goog ; cansignhttpexchanges=yes
Recommendations
  • Consider using critical flag (flags=128) for stricter CAA enforcement
  • You have authorized 5 CAs - consider limiting to only the CAs you actively use
  • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

2 domains