Open
Cached
·
just now
77/100
SECURITY SCORE
Certificate Information
Subject
CN=www.uddum.co.kr
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
September 26, 2025
Valid Until
December 25, 2025
38 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
41:FD:90:96:D4:C0:D8:5F:07:18:E9:B3:81:C1:84:0C:62:0A:B1:A6:82:CF:22:A3:3D:9F:CF:29:FE:6A:31:B4
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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menu.chefgo.app
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origins.classicfinefoods.market
preprod.meu.clozzy.com.br
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crowd.bgood.co.kr
ss.opensourcelab.co.kr
www.uddum.co.kr
www.coinfight.io
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koodan.ee
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get.mybroker.be
links.cardiacsolutions.mycareplan.health
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mta-sts.iaeste.or.jp
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gngold.ponorder.kr
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simbolic.net
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www.sokol.enterprises
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www.sriramjitravels.com
bestellen.star-muelheim.de
addshoppers.suitefeedback.com
taichiusami.com
tgoldsmith.co.uk
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thoughtafter.com
torappo.jp
trainproapp.com
www.tst-thoothukudi.in
www.twigflicker.com
joulukalenteri.veke.fi
fb.whatsupp.events
writehuman.co.nz
owlchemy.writerduet.studio
www.zohaibjawaid.com
Other domains in certificate