Open Cached · just now
77/100 SECURITY SCORE

Certificate Information

Subject
CN=admitme.fyi
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
October 05, 2025
Valid Until
January 03, 2026 51 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
38:65:B9:70:38:BF:63:59:55:D7:36:91:D6:AA:21:74:C5:6E:7E:F2:29:74:94:2E:AF:99:18:A1:95:86:84:74
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
mateuszkapala.eu

Other domains in certificate

my.3past7.de
solo.4ebf.de
admitme.fyi
aegeri-citybarbershop.ch
www.amazinglearningcenterllc.com
www.anischenko.dev
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ttmode.asociatiacommunity.ro
scrumpoker.avanti.dev
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isp.staging.admin.convercus.io
app.cotreat.com.au
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fc-la-filiere.fr
findme.movie
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donate.tmpny.org
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admin.united4education.nl
watheeqcard.com
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app.webrocket.io
www.williamgraymusic.com
yardhostle.com
www.zenreki.finance