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frabs.
Free website and server diagnostics

Check the Health of Any Website or Server

Enter a domain, IP address or hostname to check availability, performance, DNS, SSL, security and essential server information in seconds.

Try:
  • 100% Free
  • No Sign Up
  • Instant Results
  • Privacy Focused

01Coverage

One Check. A Complete Overview.

Frabs checks the most important parts of your website, domain, server and network in one clear report.

Availability

  • Is the website online
  • HTTP response status
  • Response time
  • Redirect behaviour
  • Availability from the Frabs server

SSL and Security

  • SSL certificate status
  • Certificate expiry
  • Issuer
  • TLS support
  • Security headers
  • HTTPS redirect

DNS and Domain

  • A records
  • AAAA records
  • MX records
  • Nameservers
  • DNS response time
  • Domain expiry where available

Server and Network

  • IP address
  • IPv4 and IPv6
  • Reverse DNS
  • ASN
  • Hosting provider
  • Approximate server location

Performance

  • Time to first byte
  • Total response time
  • Compression
  • Cache headers
  • HTTP version
  • Page size estimate

Technology

  • Web server
  • CDN detection
  • Framework detection where possible
  • CMS detection where possible
  • Analytics detection where possible

03How It Works

How It Works

  1. 1

    Enter a Target

    Enter a domain, URL, IP address or hostname.

  2. 2

    Frabs Runs the Checks

    Frabs identifies the target and runs the relevant tests.

  3. 3

    Get a Clear Score

    Receive a clear health score and detailed report.

  4. 4

    Go Deeper

    Open individual tools for deeper checks.