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SECURITY SCORE
Certificate Information
Subject
CN=mistertee.de
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 09, 2025
Valid Until
January 07, 2026
44 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
A0:6A:A5:74:A9:82:49:52:87:73:41:54:66:F5:39:FC:A7:DD:E1:11:A4:2C:72:9D:AD:6F:75:8E:26:DC:6B:1C
Alternative Names
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=31556926
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
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • 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
100 domains
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app-staging.jobkantine.de
joinstar.app
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dev.kameokaikiiki.com
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www.manslunda.se
kiosk.martialart.solutions
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tagpad.matsuchiyo.com
www.mgm-here.com
mistertee.de
museums-idf.fr
newcodesmith.com
dev.objex.tech
gidepos.fdg.org.br
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admin.petfoodscan.com
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pulpoplus.com
web.rewrite.today
riggingpmr.com.mx
m.socorder.com
app.soon-universe.com
fire.spruce.gq
link.stmaryandstdemiana.ie
subtext.dk
tennesseecollectionattorney.net
thousandreams.it
www.tmr-24.com
utils.vjorngard.de
www.wespiapps.com
woosternaturalfoods.com
nucleus.yektasarioglu.com
go.yhu.me
www.youapt.eu
Other domains in certificate