DNS Gurus

SSL Verification Bypassed

The server's SSL certificate could not be verified. The analysis was completed using insecure mode. Data may be less reliable.

Reason:

Hostname Mismatch - certificate is issued for blog.getresponse.pl, blog.getresponse.ru, certyfikacja.getresponse.pl, connect.getresponse.de, getresponse.co.id, getresponse.co.uk, getresponse.com.tr, getresponse.de, getresponse.dk, not for static.getresponse.mx

Cached · just now
78/100 SECURITY SCORE

Certificate Information

Subject
CN=getresponse.pl
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
November 04, 2025
Valid Until
February 02, 2026 31 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
DA:60:3A:2D:43:E3:C5:8F:DA:AF:1D:D1:BE:47:50:DE:B8:E2:A3:0D:40:43:84:16:4D:5C:73:A9:D2:69:B1:5D
Alternative Names
44 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
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
Authorized (Matches CAA policy)
Authorized CAs
godaddy.com letsencrypt.org
Incident Reporting
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'issuewild' records to control wildcard certificate issuance