Open
Cached
·
just now
80/100
SECURITY SCORE
Certificate Information
Subject
CN=pdfbalsa.osombot.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 03, 2025
Valid Until
March 03, 2026
61 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
9B:A4:67:32:0F:51:16:52:6F:12:95:4D:7A:E8:91:F5:F0:E5:77:F1:98:C2:53:46:1B:0E:84:FF:63:1B:D5:06
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
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized CAs
Wildcard CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • You have authorized 4 CAs - consider limiting to only the CAs you actively use
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
Subject Alternative Names
100 domains
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wishlist.dashbooks.app
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cs.eurovision.app
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partner.flippedinlove.app
www.flippedinlove.app
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freshprojects.app
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funfollows.top
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gunn.app
jamal-in2-projects.haidar-ahmad.net
dev.hirit.app
splsign.hodevent.tech
blog.idshipthat.app
links.jainam.app
jath.info
web.kabook.app
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portfolio.kyuzz.net
genshin-calc.lacolaco.app
app.lazyketo.app
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spm.loicbacci.me
lostinthetemple.pw
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www.lumiway.app
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myfont.app
myneo.app
test.myvyoo.ai
nzacademy.co.nz
www.nzacademy.co.nz
www.optomrx.net
pdfbalsa.osombot.com
pok.patilkaki.com
www.pizzaentertainment.com
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www.powersunaustralia.lk
www.primethinker.com
www.protechman.net
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app-dev.rentmindme.com
restishistory.net
www.restishistory.net
www.saget.me
seipex.com
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shoppingdeals.in
shrutienthospital.com
somebasic.info
admin.sootheapp.net
cdn.stojkov.me
php.t-david.com
www.teachingpatterns.org
www.tekbase.co
theproductroadmap.co
treewoman.net
Other domains in certificate