DNS Gurus
Cached · just now
94/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Let's Encrypt logo Let's Encrypt

Certificate Information

Subject
CN=tech-lead.eu
Issuer
C=US, O=Let's Encrypt, CN=YE2
Valid From
June 10, 2026
Valid Until
September 08, 2026 82 days
Public Key
ECDSA 384 bit (P-384) Strong
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
7B:3C:3D:3E:74:52:9A:7C:ED:0E:E3:3D:AF:70:16:BB:7E:8A:99:CB:2C:15:58:1E:B8:38:7C:A8:3B:67:4C:9A
Alternative Names
2 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
Excellent
max-age=31536000; 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
Good
strict-origin
Permissions-Policy
Present
geolocation=(), midi=(), sync-xhr=(); +6 more
Recommendations
  • • Add Content-Security-Policy header to prevent XSS attacks

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
sectigo.com 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

Subject Alternative Names

2 domains
tech-lead.eu www.tech-lead.eu