76/100 SECURITY SCORE

Certificate Information

Subject
CN=gtmchannel.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
April 20, 2026
Valid Until
July 19, 2026 60 days
Public Key
RSA 4096 bit Strong
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
D1:22:80:74:85:66:4B:04:FB:A3:4E:48:7E:EB:06:B0:70:E6:13:EF:F7:55:FC:78:EC:8D:91:F3:1F:0E:72:E4
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
Missing
Not configured
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • Add Strict-Transport-Security header with max-age of at least 1 year
  • Add Content-Security-Policy header to prevent XSS attacks
  • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • Add X-Content-Type-Options: nosniff
  • 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
Not Configured (Any CA can issue certificates)
CAA Issues
  • No CAA records configured - any CA can issue certificates
Recommendations
  • Implement CAA records to restrict which CAs can issue certificates for your domain
  • This adds an extra layer of security against unauthorized certificate issuance
  • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
  • Consider adding 'iodef' record to receive security incident reports

Subject Alternative Names

88 domains
gtmchannel.com *.gtmchannel.com *.7b17b7f5-960b-4190-b12e-81fc673a15e4.gtmchannel.com *.api.gtmchannel.com *.app.gtmchannel.com *.rd.gtmchannel.com *.remote.gtmchannel.com *.ww16.gtmchannel.com

Other domains in certificate

blackburnelectrician.com *.blackburnelectrician.com *.fbyeawebmail.blackburnelectrician.com *.servizi.blackburnelectrician.com
*.3odmg58cvjryhcx9.jamethoki.art jamethoki.art *.jamethoki.art *.random.jamethoki.art
*.4103e5ca-2ddb-4213-a6ac-cb9e0aefd004.personalityfirst.io *.4ea02a1b-7728-45b6-b456-d9f3768c9621.personalityfirst.io *.admin.personalityfirst.io *.api.personalityfirst.io *.app.personalityfirst.io *.assets.personalityfirst.io *.demo.personalityfirst.io *.dev.personalityfirst.io *.jfwrmassets.personalityfirst.io personalityfirst.io *.personalityfirst.io *.test.personalityfirst.io
*.admin.primeenergie.fr *.administration.primeenergie.fr *.alpha-ci.primeenergie.fr *.analytic.primeenergie.fr *.api.primeenergie.fr *.app.primeenergie.fr *.backend.primeenergie.fr *.bi-uat.primeenergie.fr *.blog.primeenergie.fr *.cloud.primeenergie.fr *.crm.primeenergie.fr *.dashboard-preprod.primeenergie.fr *.dashboard.primeenergie.fr *.dashs.primeenergie.fr *.demo.primeenergie.fr *.dev.primeenergie.fr *.entreprise.primeenergie.fr *.frame.primeenergie.fr *.gw.primeenergie.fr *.hostmaster.primeenergie.fr *.iframe.primeenergie.fr *.imap.primeenergie.fr *.insights-dev.primeenergie.fr *.insights.primeenergie.fr *.intranet.primeenergie.fr *.laravel.primeenergie.fr *.m.primeenergie.fr *.mail.primeenergie.fr *.mairie.primeenergie.fr *.notexistsbackend.primeenergie.fr *.notexistscrm.primeenergie.fr *.notexistsdev.primeenergie.fr *.notexistsiframe.primeenergie.fr *.notexistslime.primeenergie.fr *.partner.primeenergie.fr *.portal.primeenergie.fr primeenergie.fr *.primeenergie.fr *.pro.primeenergie.fr *.prod.primeenergie.fr *.remote.primeenergie.fr *.report.primeenergie.fr *.reporting.primeenergie.fr *.s3.primeenergie.fr *.shop.primeenergie.fr *.staging.primeenergie.fr *.store.primeenergie.fr *.superset.primeenergie.fr *.support.primeenergie.fr *.telecommande.primeenergie.fr *.tickets.primeenergie.fr *.user.primeenergie.fr *.v2.primeenergie.fr *.vpn.primeenergie.fr *.webmail.primeenergie.fr *.ww.primeenergie.fr *.ww38.primeenergie.fr *.www.primeenergie.fr *.wwww.primeenergie.fr *.zllwowwww.primeenergie.fr