82/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=California, L=Menlo Park, O=Meta Platforms, Inc., CN=*.instagram.com
Issuer
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid From
December 02, 2025
Valid Until
March 02, 2026 7 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
57:B7:1C:36:5E:88:5E:D2:F8:91:79:03:D0:61:09:57:C9:6B:F4:5D:04:E4:36:ED:E8:9E:08:41:5B:33:9C:AC
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
Excellent
max-age=31536000; preload; includeSubDomains
Content-Security-Policy
Basic
default-src; script-src; style-src; +10 more Analyze
Content-Security-Policy-Report-Only
Good
default-src; script-src; style-src; +10 more Analyze
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Present
accelerometer=(self), attribution-reporting=(), autoplay=(); +44 more
Recommendations
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)

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