DNS Gurus
Cached · just now
89/100 SECURITY SCORE

Detected Technologies

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Let's Encrypt logo Let's Encrypt Active incidents

Certificate Information

Subject
CN=keepit.ac
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
April 04, 2026
Valid Until
July 03, 2026 53 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
0A:2B:C0:01:C6:78:D9:94:27:21:61:C1:4C:A4:4D:02:71:9B:2F:27:83:A3:CA:AD:B5:68:32:FA:52:C1:51:62
Alternative Names
84 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
Weak
max-age= 63072000; includeSubdomains; preload
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
same-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • 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
letsencrypt.org
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • • Consider adding 'issuewild' records to control wildcard certificate issuance