Free Online Network Tools
5 toolsDiagnose and explore network information instantly. DNS lookup, IP checking and more — essential tools for developers and system administrators.
Showing all 5 Network tools
← All toolsDNS Lookup
Look up DNS records for any domain — A, MX, TXT, NS and more.
WHOIS Lookup
Check domain registration details — owner, registrar, creation date, expiry and nameservers.
SSL Certificate Checker
Check SSL certificate validity, expiry date, issuer and security details for any website.
HTTP Headers Checker
Inspect HTTP response headers for any URL — check security headers, status codes and caching.
Website Down Checker
Check if a website is down for everyone or just you — instant status check with response time.
About our Network Tools
Diagnose and explore network information instantly. DNS lookup, IP checking and more — essential tools for developers and system administrators.
All TrendPro tools are completely free to use with no account or sign-up required. Your data is processed directly in your browser wherever possible — we don't store or share anything you input. New tools are added regularly, so bookmark this page and check back often.