Cached · just now
94/100 SECURITY SCORE

Certificate Information

Subject
CN=saia.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
January 06, 2026
Valid Until
April 06, 2026 74 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
4F:0E:8F:2A:3A:BF:32:FE:27:A9:56:57:2A:9B:8E:61:B1:5A:CE:70:08:E2:32:24:CB:0B:B1:23:D0:F2:A6:B2
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
Good
default-src; style-src; script-src; +2 more
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
geolocation=(*);
Recommendations
  • Consider adding 'preload' to HSTS for maximum security
  • Strengthen CSP by removing 'unsafe-eval'

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

3 domains