Open
Cached
·
just now
92/100
SECURITY SCORE
Certificate Information
Subject
CN=faq.positivoon.com.br
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 14, 2026
Valid Until
April 14, 2026
83 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
9B:90:55:A8:D6:47:CE:29:62:F7:CE:95:97:EA:69:59:CB:D0:28:D1:DC:7C:2E:77:7D:14:5D:A9:70:DF:9E:7E
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
Good
max-age=63072000;includeSubDomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
accelerometer=(), ambient-light-sensor=(), bluetooth=(), compute-pressure=(), document-domain=(), encrypted-media=(), gamepad=(), gyroscope=(), hid=(), magnetometer=(), midi=(), screen-wake-lock=(), serial=(), speaker-selection=(), usb=(), xr-spatial-tracking=()
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Add Content-Security-Policy header to prevent XSS attacks
CAA Records (Certificate Authority Authorization)
CAA Records
Configured
(Restricts certificate issuance)
Current Issuer
Authorized
(Matches CAA policy)
Authorized 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
- • Consider adding 'issuewild' records to control wildcard certificate issuance
Subject Alternative Names
87 domains
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aan.support.citek.vn
forthright.clearsolutionsip.com
support.cloudit.africa
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yugehelp.cnet-media.co.jp
soporteit.easytech.com.py
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suporte.dynamisimportadora.com.br
portal.ebcap.org
support.ehcanadian.ca
support.emamcloud.com
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support.fortesupplychain.com
support.fss.technology
soporte.gbsitservices.com
support.getaligned.solutions
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center.heart-life-empowered.com
atendimento.htinf.com.br
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suporte.infoguard.com.br
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ops.lawyerscommittee.org
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tickets.mastervisiontech.com
desk.mavendevelopments.us
itsupport.midlandmed.com
helpdesk.mindware.net
support.mosaicartstudio.us
zoho2.musashino.jp
help.mylibertyfurniture.com
help.myonpark.com
itsupport.naqla.xyz
suporte.nebulagames.com.br
farmaciasimilares.netcontroll.com
r.netspark.com
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delfi.nocoperations.com
help.northernrebates.com
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faq.positivoon.com.br
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support.rbcre8ive.com
support.readymaderc.com
helpdesk.realsystemsinc.com
qatestsupport.relaygo.info
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soporte.serviciostigem.work
it.smcnational.com
support.stxapp.io
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polaris.tcainc.com
dmf.teknologiia.com
desk.the1source.com
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contact.theplaypen.com
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support.valleysys.net
giglio.vbanet.com.br
support.venteck.com
support.vergeag.com
support.verysoul.com
support.vidyaone.com
mesa.washingtonacademy.com
itsupport.worldwideelectric.com
support.xhero.xyz
support.zilbank.com
Other domains in certificate