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SECURITY SCORE
Certificate Information
Subject
CN=nisbusiness.com
Issuer
C=US, O=Google Trust Services, CN=WE1
Valid From
November 24, 2025
Valid Until
February 22, 2026
44 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA256
SHA-256 Fingerprint
7E:98:48:0E:F4:4C:0A:54:5B:9C:EA:F8:67:CA:74:B3:B2:5C:D7:7E:55:74:EB:96:E6:C2:CF:A6:FD:18:B3:8F
Alternative Names
Security Configuration
TLS Protocols
TLS 1.0
TLS 1.1
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
Warnings
- • TLS 1.1 is deprecated and should be disabled
- • TLS 1.0 is deprecated and should be disabled
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Good
default-src; connect-src; frame-src; +4 more
default-src 'self' data:; connect-src 'self' https://maps.googleapis.com https://maps.google.com; frame-src 'self' https://www.youtube.com https://www.google.com https://maps.google.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://unpkg.com https://cdn.ckeditor.com https://maxcdn.bootstrapcdn.com https://cdn.datatables.net https://cdn.jsdelivr.net https://fonts.gstatic.com https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://fonts.cdnfonts.com; script-src 'self' 'unsafe-inline' https://maps.googleapis.com https://ajax.googleapis.com https://unpkg.com https://cdn.ckeditor.com https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://code.highcharts.com https://cdn.datatables.net https://connect.facebook.net; font-src 'self' 'unsafe-inline' https://fonts.gstatic.com https://maxcdn.bootstrapcdn.com https://cdn.jsdelivr.net https://cdnjs.cloudflare.com https://fonts.cdnfonts.com data:; img-src 'self' 'unsafe-inline' data: https://maps.gstatic.com https://numerico.blr1.digitaloceanspaces.com/ https://maps.googleapis.com;
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Strengthen CSP by removing 'unsafe-eval'
- • 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