DNS Gurus
Cached · just now
95/100 SECURITY SCORE

Certificate Information

Subject
CN=support.schema.dev
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
December 10, 2025
Valid Until
March 10, 2026 60 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
DA:D9:58:AE:0A:2D:10:68:B4:38:2E:FA:34:8E:63:93:6B:9E:BF:8B:45:68:0D:D6:8E:98:C5:86:AC:53:98:D3
Alternative Names
88 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
digicert.com letsencrypt.org sectigo.com amazon.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

88 domains
support.pcshards.com

Other domains in certificate

signatures.z.247gtools.com
support.42ndstreettours.com
velixosupportdesk.alchemex.com.au
ecardia.alistishari.org
support.almoe.com
support.ar-pay.com
cnmc-dc-support.avelead.com mcdo-il-support.avelead.com rmc-sc-support.avelead.com
support.belizing.com
support.bignetwork.com
help.blanoia.com
support.blutechllc.com
support.botcity.dev
ayuda.canarisk.es
support.civicbiodesign.org
websupport.clingov.com
zohodesk.cloudcomrade.com
support.cloudcovermusic.com
operacao.cma.com.br
legal.cnet-media.co.jp megakaryon.cnet-media.co.jp nhksignage.cnet-media.co.jp
soporte.cubsec.com.mx
success.cybersafesolutions.com
support.dakotaranch.org
purchasecourses.dev-techloyce.com
help1.dexatel.com
support.dfclondon.com
soporte.digitalbricks.com.pe
university.domusanalytics.com
presales.e4soft.com
help.echidna.mx
hrhelp.encore.ca
desk.eptgl.com
support.eventhosts.cc
pmsupport.eyemdemr.com
help.eztech.live
support.fundusphoto.com
hello.gghk2022.com
soporte.grupoabstract.com
support.hulmtech.com
suporte.hunterpay.com.br
help.imnoo.com
support.inftech.us
desk.innosolutions.ch
reseller-support.ino.global
client-support.jagoinvestor.com
support.jtbcustom.com
dassupport.kdmintellitrak.com
support.listingbooster.com
support.managedracks.co.uk
itsupport.mcanp.org
support.mcguireroofs.com
support.moheganpacasino.com
support.myovry.ca
support.ncobs.org
leadventure.netrio.com
support.nexus.trade
support.octree.co.uk
bctech.paradise-computers.com
soporte.partner-digital.com
support.paybill.dev
priority.payspace.com
itsupport.platinumvictory.com
support.privatelenderlink.com
customersupport.propertyangel.in
support.radiumone.io
support.rudio.net
centrodeayuda.salud360.cr
support.schema.dev
soporte.serviciosacselco.com
assist.sitesbygeeks.com
support.smidnya.com
soundhub.soundpayments.com
support.themetalhub.org
support.thunderlaserusa.com
zoho.totalerp.com.br
helpdesk.ttsl.tel
help.webdesignbyjjrene.com
sbg.wedohelpdesk.com select.wedohelpdesk.com
support.wineverydayapp.com
help.workrailside.co
yec-salesforce-portal.ye-digital.com
support.yourhost.net.au
atencionalcliente.zerocoma.com