Open
Cached
·
just now
80/100
SECURITY SCORE
Certificate Information
Subject
CN=painel.sellentt.com.br
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 22, 2026
Valid Until
April 22, 2026
86 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
CB:62:DC:4E:30:3B:97:8E:01:EC:D8:5C:C4:8C:6C:0A:BC:B6:D5:DC:D8:50:D1:1B:F6:F6:B8:AB:CF:4D:01:50
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
Excellent
max-age=31556926; includeSubDomains; preload
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 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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whistle.cookiebox.pro
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www.elydev.online
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grademap.live
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jjfloris.id
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klabi.hu
legacy.logrocket-assets.io
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play.misteraladin.com
auth.live.mloclass.com
avatar.moongroup.io
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www.mymoneytimeline.com
nandakishoregowda.in
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kuglica.novatv.hr
oceanadz.com
auth.planned.com
pommejournal.com
postclowns.com
realtelecommunicationagency.com
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tenant.rentredi.com
anonweb.rightal.com
api.safe.space
e.sanchezcarlosjr.com
painel.sellentt.com.br
dash-react.sendflow.pro
simplicatedgames.com
orderbro.split-app.de
statisticsapp.org
www.supfoot.com
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teachathomeio.com
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thekeshavsharma.com
www.thingsijustmadeup.com
tirupssocken.se
studio.tiv.io
tivio-resolver-dev.tiv.io
ecn2.triomarkets.com
ftse.triomarkets.com
inscripcion2-admissions.unitec.mx
unoxmil.com
www.vishalraj.space
manu.votebase.com
yosemitehotels.vouchercart.com
wackywarlords.com
ecommerce.ware2go.io
watawalatea.lk
staging.atwi-de.webedia.tech
fines.woodynet.co
xn--g6h.gg
xn--gmq850d3gz.com
xn--mw-xkab.de
www.xn--nettipyr-7za2p.com
www.xn--o3cc6cxbc.com
xn--strbr-jraf.com
xn--waschhaus-rgen-qsb.de
intervals.xorforge.com
yapily.com
yeowenda.com
www.ynriver.com
yosapa.com
links.yourgolftravel.com
rra.zebull.in
Other domains in certificate