DNS Gurus
Cached · just now
95/100 SECURITY SCORE

Certificate Information

Subject
CN=support.jonassynergy.com
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 05, 2026
Valid Until
April 05, 2026 71 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
05:46:AE:46:B6:D3:2F:89:71:C1:90:32:A6:E4:79:50:E3:31:11:68:EC:F4:C2:8E:F4:E4:B6:74:88:A8:40:C1
Alternative Names
89 domains

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
Basic
script-src; object-src; base-uri; +1 more
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
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
letsencrypt.org sectigo.com amazon.com digicert.com
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

89 domains
support.caselle.com

Other domains in certificate

support.abhaysolutionsinc.com
support.ace-cis.com
support.aipextech.com
desk.animati.com.br
support.arch.mc
caredesk.artexa.com
helpdesk.ascend907.com
support.assetcare.ai
dealers.atlasheadrest.com
staffsupport.bayaanacademy.com
www.beyondservicesquality.com
support.boxclvr.co.za
support.clarus24.com
support.digitise.co.il
support.coho.life
desk.support.infinitex.com.my
expendiocombustible.agriplus.com.py
securitydesk.curalinc.com
support.delta3vr.com
contrato1.ecoinkexpress.com contrato2.ecoinkexpress.com
support.ehc.consulting
cignasupport.emboldhealth.com
www.emprendedordigital.com
support.epuremotion.com
helpdesk.erpmechanics.com
support.exgtickets.ai
helptest.fullcount.net
support.graffeo.cloud
suporte.greatforsales.com.br
support.haugh.cloud
support.ht.land
support.htiac.net
correoszoho.iriatalan.com.mx
support.ivitalitylife.com
center.joinparachute.com donor.joinparachute.com
support.jonassynergy.com
support.keerki.com
support-admin.lacantinepourtous.org support-institution.lacantinepourtous.org support-membre.lacantinepourtous.org support-parent.lacantinepourtous.org
eor.leangroup.com
42gears.lenovocloudsoftware.com
support.lifehealth.global
support.livipods.com
knowledgebase.mconsent.net
support.mediacent.africa
support.moni.africa
desk.mspcloud.co.za
desk.multiplacas.com.ar
sae.myvisas.help sge.myvisas.help uvo.myvisas.help vnv.myvisas.help
support.nexusrfid.com
support.njbsocialdance.com
support.ekb.js.notionwave.ai
helpdesk.nl.omiteo.com
help.onsiteit.africa
guidedepiphany.ourhappydesk.com
support.payrollmaster.africa
support.penlabs.co.za
help.promolocker.com
itsupport.qai.org
support.redefineit.co.za
support.redsilicon.ca
support.frozen.shipsync.pro
support.smactworks.com
hiro.sociolla.info
helpdesk.spartanmechanical.net
support.spelldata.co.jp
support.squdira.com
help.strayos.com
driversupport.swoopit.io
interno.nexdom.tec.br
support.thelensbase.com
suporte.tilid.com.br
support.tilopay.com
support.tuckermedia.net
demo5.uktech.com.br suporte.uktech.com.br
support.vistaardigital.com
support.yobo.studio
help.youdeserve.work
css-support.zooops-japan.co.jp
support.zylkershop.site