Network & DNS Tools

Browse 8 free network & dns tools.

DNS Lookup Tool

Perform comprehensive DNS lookups to find all DNS records for any domain. Check A, AAAA, CNAME, MX, NS, TXT, and SOA records instantly.

Lookup

WHOIS Domain Lookup Tool

Get complete WHOIS information including domain registrar, creation date, expiration date, nameservers, and registrant details.

Lookup

DNS Blacklist Checker

Check if your domain or IP address is listed on any DNS blacklists (DNSBL). Protect your email deliverability and reputation.

Check

IP Geolocation Lookup

Lookup geographic location, ISP, organization, timezone, and other details for any IPv4 or IPv6 address.

Lookup

SSL Certificate Checker

Verify SSL/TLS certificate validity, expiration date, issuer, and chain of trust. Ensure your website's security is properly configured.

Check

HTTP Headers Checker

Analyze HTTP response headers for any URL. Check security headers, caching policies, content types, and server information.

Check

URL Redirect Checker

Follow redirect chains to discover the final destination URL. Identify 301, 302, and other redirect types. Debug redirect loops.

Check

Robots.txt Checker

Analyze robots.txt files for SEO. Verify crawler access rules, check for syntax errors, and ensure search engines can index your content.

Check

About Network & DNS Tools

Our network & dns tools collection includes 8 free online utilities designed for developers, designers, and technical professionals.

Available Tools

This category includes: DNS Lookup Tool, WHOIS Domain Lookup Tool, DNS Blacklist Checker, IP Geolocation Lookup, SSL Certificate Checker, and more. Each tool is designed to be fast, accurate, and easy to use.

Why Choose Our Tools?

  • 100% free with no registration required
  • Fast, browser-based processing
  • Privacy-focused - your data stays in your browser
  • Mobile-friendly and responsive design

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