DNS Gurus
Cached · just now
90/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
OpenStreetMap logo OpenStreetMap

Certificate Information

Subject
C=DE, ST=Nordrhein-Westfalen, O=Bundesamt fuer Sicherheit in der Informationstechnik, CN=www.bsi.bund.de
Issuer
C=DE, O=D-Trust GmbH, CN=D-TRUST BR CA 2-23-1 2023
Valid From
April 03, 2026
Valid Until
October 18, 2026 77 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA512-RSA
SHA-256 Fingerprint
F3:3B:6C:31:74:9F:58:6E:1E:B4:48:DA:82:E0:37:E8:CA:6F:90:41:81:A0:09:B7:B2:90:01:B2:AB:57:32:87
Alternative Names
13 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
Present
max-age=31536000
Content-Security-Policy
OpenStreetMap logo
Basic
base-uri; style-src; connect-src; +7 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
sameorigin
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
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • • Consider adding Permissions-Policy to control browser features

CAA Records (Certificate Authority Authorization)

CAA Records
Not Configured (Any CA can issue certificates)
CAA Issues
  • • No CAA records configured - any CA can issue certificates
Recommendations
  • • Implement CAA records to restrict which CAs can issue certificates for your domain
  • • This adds an extra layer of security against unauthorized certificate issuance
  • • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
  • • Consider adding 'iodef' record to receive security incident reports