89/100 SECURITY SCORE

Certificate Information

Subject
CN=accounting.stonegatefirm.com
Issuer
C=US, O=Let's Encrypt, CN=E7
Valid From
November 23, 2025
Valid Until
February 21, 2026 40 days
Public Key
ECDSA 256 bit (P-256) Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
8F:03:B5:17:8D:FC:78:57:C5:52:AE:8A:88:BF:5A:04:72:C6:FC:5D:B9:BE:87:B3:3E:C4:71:E9:BD:3E:F3:00
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
Excellent
max-age=64072000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Content-Security-Policy header to prevent XSS attacks
  • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • 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)
Authorized CAs
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

88 domains
books.excel-com.com

Other domains in certificate

books.121group.company
books.abacusworldwide.org
erp.agenciathejourney.com
books.aiguards.com
books.allstarinnovations.com
books.alsm.ltd
books.baldwinadv.com
books.bestflooringhonolulu.com
sales.blummtech.com
accounts.booze.ng
books.bulldog24x7.com
books.bzpay.com.mx
books.carpi-solutions.com
clients.cloudcabinarts.com
accounting.cobaltweb.tech
books.deltaque.com.ng
accounting.connection.builders
accounts.contellect.com
ap.coverthart.com
books.cpcoatings.ca
cuentas.creavalor.mx
invoices.crsabq.com
books.daga-ls.com
books.defynance.com
books.dexterdesigns.in
books.dheeyantra.com
billing.ecoitny.com
books.ecowerkssolutions.com
invoices.edgt.com
books.emengineeringsolutions.com
books.emergedigital.ae
billing.emergingmediapartners.com
one.expertdata.com.mx
books.expertresources.net
books.fernandezautosales.com
books.flowerhavenfarm.co.za
cuentas.gabosimonetti.com
books.gizmographicworks.com
accounts.grayknightadvisorygroup.com
administracion.grupomaxfil.com
accounts.healthy.co.uk
ap.hookcam.com
gateway.imm-cs.com
accounting.incthr.com
financeiro.inteligenteti.com.br
books.irdmech.com
vip.jstele.com
books.layaranjith.shop
books.legacyglobalimmigration.com
books.makehomecanada.com
bill.malipapeleria.com
books.moreauprs.com
books.nebka-lab.com
books.noorgroupco.com
acc.nscope.biz
books.nsktradingcc.com
books.omotayocpa.com
accounts.perfettotech.ae
cs.pngtrucker.com
books.promopilot.io
accounts.psymplicity.com
accounts.ptsme.global
books.raysolar.ca
login.rhiveconstruction.com
myaccount.rypkorddigital.com
books.saints-go.com
web.securimed.ca
books.sinum.info
books.soleraplans.com
snsbilling.somes-nick.com
accounting.stonegatefirm.com
my.techcru.io
apps.techpappa.com
customer.teksupportplanet.com
books.tilicho.in
books.timdavidspeaks.com
manage.transmosis.com
books.trendspire.com
amasales.tunesandtint.com
secure.unica.college
books-us.ur-channel.com
books.velocitytech.us
accounts.vicinitylimited.com
billing.wifiarena.net
account.zelutions.com
books.zhadmin.com
books.zoomq.com