20 Free Online Tools

Network Tools

Free networking tools for DNS, IP addresses, domains, ports, connectivity and website diagnostics.

Free to Use No Sign-Up Browser-Based

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20 tools

Open Port Checker

The open port checker is a tool you can use to check your external IP address and detect open ports on your connection.

Subdomain Finder

Discover subdomains for any domain using public records and certificates.

HTTP Methods Auditor

Check which HTTP methods are enabled on a server to identify potential security risks.

WebRTC Leak Test

Check if your real IP address is leaking through WebRTC.

Website Status Checker

Keep Your Website Healthy with Our Website Status Checker

Ping

Get Instant Network Diagnostics with Our Ping Tool

IP To Hostname

Get Hostname from any IP Address

Hostname To IP

Get IP Address from a Hostname

IP Information

Get information about any IP

MX Lookup

Tool to find domains MX servers.

User Agent Finder

Discover Your Digital Identity with Our User Agent Finder

Whats My IP

Discover Your Public Identity with Our \What's My IP\ Tool

Dns Lookup

Online dnslookup is a web based DNS client that queries DNS records for a given domain name.

IP Subnet Calculator

IPv4 and IPv6 Subnet Calculator

ASN Lookup

Identify and retrieve detailed information about Autonomous System Numbers (ASN), including organization names, countries, and assigned IP ranges.

Traceroute Online

Trace the full network path of a request to any domain or IP address, identifying every hop and measuring latency along the route.

IP Blacklist Check

Check if a domain or IP address is listed in major DNSBL (DNS-based Blackhole List) databases and other reputation services for suspicious activity.

Email Blacklist Check

Check if an email address, its domain, or its mail servers are listed in major DNSBL and anti-spam databases.

DNS Propagation Check

Verify the worldwide propagation of your DNS records across multiple global name servers and locations.

Website Technologies Check

Analyze a website to detect its tech stack, server configurations, SSL certificate details, and hosting provider.

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