SSL Certificate Analysis for net-haus.de - Security Grade & TLS Configuration

Detected Technologies

See all in URL Inspect 13

Let's Encrypt

YouTube

Calendly

Google Analytics

Google DoubleClick

Google Fonts

Google Maps

Google Search

Google Static File Front End

Google Tag Manager

Zoho Mail

Google Cloud

Certificate Information

Subject

CN=net-haus.de

Issuer

C=US, O=Let's Encrypt, CN=YR1

Valid From

September 02, 2026

Valid Until

December 01, 2026 76 days

Public Key

RSA 4096 bit Strong

Signature Algorithm

SHA256-RSA

SHA-256 Fingerprint

ED:CF:29:F4:A6:CE:76:B3:7E:33:AF:BD:C7:B4:EC:BE:4B:4F:77:04:95:C7:D0:A9:06:6C:F2:D4:0E:FC:AE:23

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=31536000; includeSubDomains; preload

Content-Security-Policy

Basic

default-src; script-src; style-src; +9 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

geolocation=(), microphone=(), camera=(); +1 more

Recommendations

• Improve CSP by adding more specific directives and removing 'unsafe-inline'

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

1 domain

net-haus.de