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=eifel-literaturfestival.de
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 06, 2026
Valid Until
April 06, 2026 51 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
9C:4B:F6:CD:D5:F4:49:BE:41:A3:4A:6B:20:CA:97:77:0D:A5:AF:F4:9E:8F:44:32:0D:AA:BE:F9:3B:8E:D7:CF
Alternative Names
89 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

89 domains
aoundcloud.com *.aoundcloud.com

Other domains in certificate

birthdaygreetings.com.au *.birthdaygreetings.com.au
bitcwoin.com *.bitcwoin.com
blossomm.site *.blossomm.site *.dance.blossomm.site
bomngacams.com *.bomngacams.com *.hostmaster.bomngacams.com *.www.bomngacams.com
cl473e.com *.cl473e.com
ozi.com.pl *.ozi.com.pl
currencytrading.au *.currencytrading.au
eifel-literaturfestival.de *.eifel-literaturfestival.de *.www.eifel-literaturfestival.de
*.aduna.eskolatxikiak.org *.alkiza.eskolatxikiak.org eskolatxikiak.org *.eskolatxikiak.org *.ezkio-itsaso.eskolatxikiak.org *.gabiria.eskolatxikiak.org *.larraul.eskolatxikiak.org
ezacter.com *.ezacter.com
galdrucx.net *.galdrucx.net
*.ftp.hazzelsecurity.com hazzelsecurity.com *.hazzelsecurity.com
hraw.co.uk *.hraw.co.uk
japcos.com *.japcos.com *.random.japcos.com *.ww38.japcos.com
k-v.de *.k-v.de *.service.k-v.de
london-engineering.co.uk *.london-engineering.co.uk *.ww25.london-engineering.co.uk
*.app.luvkumarjha.com *.backend.luvkumarjha.com *.checkout.luvkumarjha.com *.dev.luvkumarjha.com luvkumarjha.com *.luvkumarjha.com *.staging.luvkumarjha.com *.ww1.luvkumarjha.com *.ww25.luvkumarjha.com *.www.luvkumarjha.com
monkeypic.co *.monkeypic.co *.random.monkeypic.co
*.autoconfig.myiq1.com myiq1.com *.myiq1.com *.ww25.myiq1.com
nichedomainbroker.net *.nichedomainbroker.net
panamalodging.com *.panamalodging.com
racinelodging.com *.racinelodging.com
red8red.cc *.red8red.cc
*.help.sensive.co sensive.co *.sensive.co *.ww25.sensive.co
streamline.work *.streamline.work
*.demo.sunocobusinessaccountonline.com *.old.sunocobusinessaccountonline.com sunocobusinessaccountonline.com *.sunocobusinessaccountonline.com *.test.sunocobusinessaccountonline.com *.ww16.sunocobusinessaccountonline.com
*.random.v763s5.com v763s5.com *.v763s5.com *.ww25.v763s5.com