SSL Certificate Analysis for www.inputoutput.com - Security Grade & TLS Configuration

Detected Technologies

See all in URL Inspect 13

Let's Encrypt

Tailwind CSS

Calendly

Google Fonts

Google reCAPTCHA

Google Search

Google Static File Front End

HubSpot

jsDelivr

Typeform

unpkg

Vercel

Google Cloud

Certificate Information

Subject

CN=www.inputoutput.com

Issuer

C=US, O=Let's Encrypt, CN=R12

Valid From

April 19, 2026

Valid Until

July 18, 2026 78 days

Public Key

RSA 2048 bit Adequate

Signature Algorithm

SHA256-RSA

SHA-256 Fingerprint

93:16:88:D5:83:C4:4B:75:30:EF:63:92:F7:FE:76:06:A7:ED:EA:C6:A6:0C:AF:59:81:8D:6B:9C:C3:91:04:63

Alternative Names

1 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

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Basic

default-src; script-src; style-src; +8 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Present

camera=(), microphone=(), geolocation=()

Recommendations

• 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

sectigo.com globalsign.com letsencrypt.org pki.goog

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

1 domain

www.inputoutput.com