Find your public IPv4 address, location, and ISP details immediately. Free tool for network debugging.
Scan a domain or IP for open ports instantly. Check if your web server (HTTP/HTTPS) is accessible from the outside.
Resolve a domain name to its IP address. Verify DNS propagation and server migration status.
Find out who owns a domain, registrar details, and expiration dates. Free Whois lookup tool.
Check if a website is down. Measure server latency and uptime from our remote server.
Measure Time to First Byte. Identify backend latency and server performance bottlenecks.
Verify if your server supports the HTTP/2 protocol for faster page loading and multiplexing.
Test if your server is ready for the future. Check for Alt-Svc headers and HTTP/3 support.
View raw server headers to debug caching, security, and server configuration issues.
Scan your site for missing protection headers like HSTS, CSP, and X-Frame-Options.
Check if your site is protected against XSS. Analyze your CSP header configuration.
Verify Strict-Transport-Security to prevent protocol downgrade attacks.
Ensure your website cannot be embedded in malicious iframes.
Detect weak encryption protocols. Verify your server supports TLS 1.2 or 1.3.
Check your DNS for SPF records to improve email deliverability and prevent spoofing.
Check your WordPress site for exposed login pages and user enumeration.
Check if your server exposes its software version (Nginx/Apache).