DNS Gurus
Cached · just now
76/100 SECURITY SCORE

Detected Technologies

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

Certificate Information

Subject
CN=bistrogardine.de
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
February 14, 2026
Valid Until
May 15, 2026 87 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
6F:37:2B:80:ED:D5:2B:98:BC:74:9A:34:C8:5C:86:5B:AD:10:C6:11:F7:3A:92:E8:24:04:08:15:E0:A5:26:88
Alternative Names
81 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
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

Subject Alternative Names

81 domains
terradune.com *.terradune.com *.hostmaster.terradune.com *.ww38.terradune.com

Other domains in certificate

acropolis.au *.acropolis.au *.random.acropolis.au
bigname10.icu *.bigname10.icu *.ww25.bigname10.icu
bistrogardine.de *.bistrogardine.de
eropaf.org *.eropaf.org *.random.eropaf.org
flotdeparis.com *.flotdeparis.com
*.cpcalendars.greensmoothielovers.com greensmoothielovers.com *.greensmoothielovers.com *.random.greensmoothielovers.com
kurgan.de *.kurgan.de *.random.kurgan.de
lakestreetsupply.com *.lakestreetsupply.com *.random.lakestreetsupply.com
lexiquette.com *.lexiquette.com
moprdreifen.de *.moprdreifen.de
*.backup.negreros.com *.beta.negreros.com *.blog.negreros.com *.demo.negreros.com *.forum.negreros.com *.forums.negreros.com *.help.negreros.com *.hostmaster.negreros.com negreros.com *.negreros.com *.portal.negreros.com *.remote.negreros.com *.remote2.negreros.com *.sitemap.negreros.com *.sitemaps.negreros.com *.ssl.negreros.com *.sslvpn.negreros.com *.sslvpn2.negreros.com *.sslvpn3.negreros.com *.vpn.negreros.com *.vpn2.negreros.com *.vpn3.negreros.com *.wildcard.negreros.com *.ww1.negreros.com *.ww11.negreros.com *.ww16.negreros.com *.ww17.negreros.com *.ww25.negreros.com *.ww38.negreros.com
*.random.seco.au seco.au *.seco.au *.ww38.seco.au
*.hostmaster.shopclothesmindedboutique.com *.shop.shopclothesmindedboutique.com shopclothesmindedboutique.com *.shopclothesmindedboutique.com *.www.shopclothesmindedboutique.com
stadiumparking.au *.stadiumparking.au
*.random.thebeautyclinicjimboomba.com.au thebeautyclinicjimboomba.com.au *.thebeautyclinicjimboomba.com.au *.ww38.thebeautyclinicjimboomba.com.au
xn--bischofsmtze-llb.de *.xn--bischofsmtze-llb.de
xn--kpchen-wxa.de *.xn--kpchen-wxa.de
xn--schlerschreibtisch-o6b.de *.xn--schlerschreibtisch-o6b.de