DNS Gurus
Cached · just now
98/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 6
Let's Encrypt logo Let's Encrypt Google Analytics logo Google Analytics Google DoubleClick logo Google DoubleClick Google Tag Manager logo Google Tag Manager Localize.js logo Localize.js Vercel logo Vercel Active incidents

Certificate Information

Subject
CN=internal.agero.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
April 08, 2026
Valid Until
July 07, 2026 47 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
2E:13:00:8F:90:77:26:77:40:C7:4C:93:8B:56:03:30:48:92:77:6E:81:9B:E2:3B:43:A7:88:C1:D3:AC:50:37
Alternative Names
1 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=63072000; includeSubDomains; preload
Content-Security-Policy
Google Tag Manager logo
Good
connect-src; script-src; style-src; +14 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Present
clipboard-write=(self), camera=(), microphone=(); +4 more
Recommendations
  • • Strengthen CSP by removing 'unsafe-eval'

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
globalsign.com letsencrypt.org pki.goog sectigo.com
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • You have authorized 4 CAs - consider limiting to only the CAs you actively use
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • • Consider adding 'issuewild' records to control wildcard certificate issuance

Subject Alternative Names

1 domain
internal.agero.com