91/100 SECURITY SCORE

Certificate Information

Subject
CN=support.de-network.net
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
January 07, 2026
Valid Until
April 07, 2026 61 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
F8:8B:D5:66:38:9D:47:CF:CB:0D:B2:7A:CD:66:7A:41:B2:B8:42:34:0F:4B:63:C8:9E:DF:AB:77:C5:1B:45:50
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
Good
max-age=63072000;includeSubDomains
Content-Security-Policy
Basic
script-src
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
  • Consider adding 'preload' to HSTS for maximum security
  • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • 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)
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

86 domains
support.4leaflabs.com

Other domains in certificate

ydenergy.access.ly
support.agileworksgroup.ai
support.ameatech.co.za
support.analytica.international
support.anyvidsolutions.com
servicio.apsegurosmx.com
support.armourhome.co.uk
panel.bariumdigital.com
support.birthingofgiants.com
soporteavl.bismark.co
support.bizanalyst.in
helpdesk.builtrightdigital.com
desk.clinicmaster.com
bw.cyberit.co.il wd.cyberit.co.il
desk.vinodpatel.com.fj
support.de-network.net
support.dhari.ca
service.e2energie.nl
support.earthsoft.com
support.edisplayinc.com
dgadesk.ucsp.edu.pe
support.energair.com
support.essenvia.com
sac.favatex.com
support.febno.com
support.freightertradingforum.com
maintenance.frontierdoor.com
support.gbsrevcycle.com
soporte.grupotransforma.mx
helpcenter.hearolife.com
fineart.hemlockdisplay.com
estimate-support.hemlockharling.com fulfillment-support.hemlockharling.com
support.ignus.mx
support.izi.my
support.jobwords.ai
atendimento.kafnet.com.br
suporte.kaizensolutions.com.br
csti.krispykernels.com
desk.kskansai.com
suporte.legalinsights.com.br
support.lilycheng.ca
support.lusinestudio.com
ipe.machadomotta.com
support.magnoos.com
helpdesk.modustulsa.org
helpdesk.moweex.com
support.muckrock.com
support.mybusinesschampion.com
forum.mysherpaapp.com
solutions.neigps.com
helpdesk.nocotechnologies.com
helpdesk.northernpos.com
support.novusweb.com
helpdesk.omnibrand.co.nz
faqs.optimocamino.com
financials.pbscustomerportal.co
n4l-help.remarkabletek.com
support.ringleader.co
support.rivalscan.com
alemana.saba-ayuda.cl
suporte.safetec.com.br
support.scylla.ai
soporte.sistemasmer.com
helpdesk.smplus.com
consultas.solucionait.es
support.sortd.mobi
soporte.squenda.com.mx
otsuka-shokai.ss-desk.jp
help.staffmate.com
soporte.systema-ti.mx
support.technesolv.com
cs.tritoncommerce.com
support.unifiedglobalsolutions.net
support.unify.services
support.upqu.com
support.uprightmark.com
support.vias3d.com
support.walldorfsolutions.com
support.wifigarden.com
help.ytj-show.jp
support.zcustomization.com
mar.zolamedia.com mzs.zolamedia.com