SSL Certificate Analysis for refiner.io - Security Grade & TLS Configuration

Detected Technologies

See all in URL Inspect 12

AWS Certificate Manager

Fathom Analytics

Google Analytics

Google Conversion Tracking

Google DoubleClick

Google Fonts

Google Search

Google Tag Manager

HubSpot

HubSpot Forms

jsDelivr

Certificate Information

Subject

CN=refiner.io

Issuer

C=US, O=Amazon, CN=Amazon RSA 2048 M04

Valid From

February 18, 2026

Valid Until

March 18, 2027 355 days

Public Key

RSA 2048 bit Adequate

Signature Algorithm

SHA256-RSA

SHA-256 Fingerprint

6C:E1:B1:E6:1C:F3:AF:BE:DC:3E:3B:98:72:A2:56:5A:27:8A:96:D9:14:39:AB:31:91:07:01:A8:70:4C:FA:69

Alternative Names

2 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

Present

max-age=63072000; includeSubdomains; preload

Content-Security-Policy

Basic

default-src; script-src; connect-src; +7 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Present

same-origin

Permissions-Policy

Present

geolocation=(self)

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• 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)

Wildcard CAs

amazon.com amazonaws.com amazontrust.com awstrust.com

Recommendations

• Consider using critical flag (flags=128) for stricter CAA enforcement
• Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts

Subject Alternative Names

2 domains

refiner.io www.refiner.io