SSL Certificate Analysis for www.3mireland.ie - Security Grade & TLS Configuration

Open Cached · just now

83/100 SECURITY SCORE

Certificate Information

Subject

C=US, ST=Minnesota, O=3M Company, CN=ak-san02.3m.com

Issuer

C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo ECC Organization Validation Secure Server CA

Valid From

January 25, 2025

Valid Until

January 25, 2026 50 days

Public Key

ECDSA 256 bit (P-256) Adequate

Signature Algorithm

ECDSA-SHA256

SHA-256 Fingerprint

31:F2:56:63:8C:08:7E:93:EF:E9:3B:71:97:9A:9D:8D:CD:11:AD:80:28:11:CF:07:13:A9:6F:84:20:B6:A3:07

Alternative Names

100 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

Weak

frame-ancestors

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Significantly strengthen CSP directives
• 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

100 domains

www.3mireland.ie

Other domains in certificate

command.3m.co.uk www.3m.co.uk

www.3m.co.za

ak-san02.3m.com brand.3m.com go.3m.com

www.3m.com.ar www.command.3m.com.ar

www.3m.com.au www.command.3m.com.au

www.3m.com.br www.command.3m.com.br

www.3m.com.co www.command.3m.com.co

www.3m.com.mx

www.3m.com.pe www.command.3m.com.pe

www.3m.com.ve

scotch-brite.3mae.ae www.3mae.ae

www.3maustria.at

www.3mbelgie.be

www.3mbelgique.be

www.3mcanada.ca

www.3mchile.cl

www.3mcompany.jp

www.3mcompany.lk

www.3mdanmark.dk

www.3mdeutschland.de

www.3mfrance.fr

www.3mhellas.gr

www.3mindia.in

www.3mitalia.it

www.3mlietuva.lt

www.3mmagyarorszag.hu

nexcare.3mnederland.nl www.3mnederland.nl