Network Tools - DNS Lookup, HTTP Headers, IP & WHOIS

Network Tools

Explore free online Network Tools. Simple, fast and easy to use utilities for developers and daily tasks.

🔥 Popular Tools
JSON Formatter & Converter Base64 Encoder & Decoder Random String Generator
DNS Lookup
Query DNS records for any domain instantly with our free online DNS lookup tool. Supports A, AAAA, MX, TXT, CNAME, NS and SOA record types via Cloudflare DNS-over-HTTPS. Fast, accurate, and privacy-friendly. No registration required.
HTTP Header Checker
Inspect HTTP response headers for any URL with our free online header checker. View all server headers including security headers (HSTS, CSP, X-Frame-Options), cache-control, content-type, and more. Server-side proxy included. No registration required.
WHOIS Lookup
Look up WHOIS/RDAP information for any domain name. Instantly view registrar, registration date, expiry date, name servers, and domain status using the modern RDAP protocol. Free, fast, and no registration required.
IP Lookup
Look up any IP address or find your own public IP instantly with our free online IP lookup tool. Shows country, city, region, coordinates, timezone, and ISP/AS number. Supports IPv4 and IPv6. No registration required.

FAQ

What are Network Tools?

Network Tools are online utilities designed to simplify common tasks quickly and efficiently.

Are these tools free?

Yes, all tools on this page are completely free to use.