DNS Gurus
Cached · just now
74/100 SECURITY SCORE

Certificate Information

Subject
C=ES, L=Barcelona, O=FIRMAPROFESIONAL, SA, UNKNOWN={:asn1_OPENTYPE, <<12, 15, 86, 65, 84, 69, 83, 45, 65, 54, 50, 54, 51, 52, 48, 54, 56>>}, UNKNOWN=A62634068, CN=*.firmaprofesional.com
Issuer
C=ES, O=Firmaprofesional S.A., UNKNOWN={:asn1_OPENTYPE, <<12, 15, 86, 65, 84, 69, 83, 45, 65, 54, 50, 54, 51, 52, 48, 54, 56>>}, CN=AC Firmaprofesional - Secure Web 2025
Valid From
January 12, 2026
Valid Until
January 12, 2027 164 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
FD:C9:0A:05:09:04:FE:29:17:54:10:A8:B8:D3:71:78:B4:E9:0D:40:87:32:1B:8F:4D:91:B6:BA:72:D3:73:50
Alternative Names
4 domains

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
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Not Authorized (Potential misconfiguration)
Authorized CAs
digicert.com firmaprofesional.com
Wildcard CAs
firmaprofesional.com digicert.com
CAA Issues
  • • CRITICAL: Current certificate issuer 'C=ES, O=Firmaprofesional S.A., UNKNOWN={:asn1_OPENTYPE, <<12, 15, 86, 65, 84, 69, 83, 45, 65, 54, 50, 54, 51, 52, 48, 54, 56>>}, CN=AC Firmaprofesional - Secure Web 2025' is NOT authorized by CAA records. Authorized CAs: digicert.com, firmaprofesional.com
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

4 domains
firmaprofesional.com *.firmaprofesional.com

Other domains in certificate

firmapro.com *.firmapro.com