Free DNS & Network Tools

Powerful, free tools for DNS lookup, nameserver checks, WHOIS, IP geolocation, SSL verification, and more.

All Tools

Nameserver Lookup

Check NS records for any domain

DNS Lookup

Full DNS record lookup (A, AAAA, MX, TXT, CNAME, SOA)

WHOIS Lookup

WHOIS domain registration information

IP Lookup

IP address geolocation and details

SSL Checker

Check SSL certificate details and validity

HTTP Headers

View HTTP response headers for any URL

Speed Test

Test website response time and performance

Domain Availability

Check if a domain name is available

Blacklist Checker

Check if IP/domain is on DNS blacklists

Email Validator

Validate email addresses (syntax + MX check)

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Latest Posts

What Are Nameservers and How Do They Work?

Nameservers are the backbone of DNS. Learn what they do, how they translate domain names to IP addresses, and why they matter for your website.

Mar 20, 20267 min read

How to Change Nameservers: A Step-by-Step Guide

Changing nameservers is one of the most common DNS tasks. This guide walks you through the process for popular registrars like GoDaddy, Namecheap, and Google Domains.

Mar 18, 20268 min read

DNS Propagation Explained: Why Changes Take Time

Updated your DNS records but nothing changed? Learn what DNS propagation is, why it takes time, and how to speed it up.

Mar 15, 20266 min read

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