18 free, privacy-friendly network tools — pick a tool below to get started.
Identify and retrieve detailed information about Autonomous System Numbers (ASN), including organization names, countries, and assigned IP ranges.
Online dnslookup is a web based DNS client that queries DNS records for a given domain name.
Verify the worldwide propagation of your DNS records across multiple global name servers and locations.
Check if an email address, its domain, or its mail servers are listed in major DNSBL and anti-spam databases.
Get IP from Hostname
Check which HTTP methods are enabled on a server to identify potential security risks.
Check if a domain or IP address is listed in major DNSBL (DNS-based Blackhole List) databases and other reputation services for suspicious activity.
Obtain info about any IP
IPv4 and IPv6 Subnet Calculator
Get Hostname from IP
Tool to find domains MX servers.
The open port checker is a tool you can use to check your external IP address and detect open ports on your connection.
Discover subdomains for any domain using public records and certificates.
Find your the User Agent
Check if your real IP address is leaking through WebRTC.
Check the Status of any Website
Analyze a website to detect its tech stack, server configurations, SSL certificate details, and hosting provider.
Find your IP Address