DNS Gurus
Cached · just now
95/100 SECURITY SCORE

Certificate Information

Subject
CN=support.graubner-gmbh.de
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
January 18, 2026
Valid Until
April 18, 2026 80 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
30:0E:7D:19:CE:14:85:8A:5A:EE:EB:C7:A7:2C:EA:41:8B:C2:6C:8F:BA:DC:A3:60:B5:29:11:CB:87:67:CE:FD
Alternative Names
86 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
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • 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.netwarx.com

Other domains in certificate

desk.4icg.com
helpdesk.acsell.com
soporte.algamiberica.com
support.amdero.com
support.anti-static.be
supportprofibre.appgcd.fr
support.axitech.be
support.blackstoneone.net
portal.bondiplatform.com
storingsdienst.bourgonje.nl
support.chambers.com
mediq.coliance.co ornua.coliance.co
2linesupport.crunchequation.com brandsrequests.crunchequation.com marketingrequests.crunchequation.com
support.dinascience.com
support.domusmedica.be
soporte.enmarkados.com
support.fikper.com
flat.flatguest.com
helpdesk.fraai.agency
itsupport.gaa.ie
support.geeksonwheels.london
hi.gegidze.com
assess-support.geoxphere.com
support.get-sides.com
chat.globalgreeneurope.com
helpdesk.gradientconsulting.co.uk
support.graubner-gmbh.de
support.grccontrol.nl
desk.corporate.hcsm.digital mailcenter.hcsm.digital
support.hollweck-it.de
support.hurstbourne-it.co.uk
canopy.support.ignitehospitality.com hillbrookehotels.support.ignitehospitality.com
helpdesk.indexhelper.com
customerportal.interactio.io
help.isitinclusive.com
support.keta.gmbh
3dviewstation-support.keytodata.com keycreator-support.keytodata.com
support.kind-build.com
www.kleeberg.support
partners.kleecks.com
support.leogant.com
supportcrm.lexolia.com
desk.licensemusic.com
support.localauthority.tech
help.loungeup.com
help-center.loxone.com
support-internal.luminis.net
customerservice.matachana.com
headfirstgroup.mijnfleetkennis.nl
archive-support.mycompanyfiles.fr
tickets.mysbi.de
softwaresupport.naturalpower.com
itkb.one77fs.co.uk
help-desk.oortcloud.tech
handleiding.parariusoffice.nl
service.paul.tech
product.performanta.com supportdesk.performanta.com
helpdesk.projectpap.com
support.questconsultancy.co.uk
helpdesk.resonateservices.co.uk
support.rockflame.com
support.rscleaningmachines.com
support.sarltechmax.com
support-zoho-test.sbx.so
ictsupport.scoop.be
support.sdwan-solutions.global
support.sellys.com
help.shireburn.com
soporte.speedtelematics.com
support.stratticusstudio.com
help.thecabrach.com
acornsupport.thingco.com myfirstsupport.thingco.com
support.triply.cc
cs.uname-it.nl
support.xigxag.co.uk
support.yourzbs.com
support.zen-q.com