We use cookies to personalise content and ads and to analyse our traffic. We also share information about your use of our site with our advertising and analytics partners who may combine it with other information you’ve provided to them or they’ve collected from your use of their services. more info

The ultimate online investigation tool

Examples: verizon - google.com - 188.114.96.3 - 2a06:98c1:3120::3 - as40528

What We Offer

Find out everything about a domain name, IP address or provider. Discover relations between them and see historical data. Use it for your digital investigation, fraud prevention or brand protection.

Try our tools or online reports.

Tools IPv4 Report IPv6 Report AS/BGP Report

Premium Services

Premium website access is for the IT professional. You get more page views, alerts, data and premium features. Month and year plans available. Our premium API enables programmable access to our data and tools.

Select your service.

Website Access API

Our Statistics

330+ million
active domains

60+ million
mail servers

7+ million
name servers

8+ billion
change events

1+ billion
active subdomains

Why Choose US?

IP/DNS data refreshed every 30 days

New domains added daily

All tools and reports are IPv6 ready

Flexible subscriptions available

Custom data exports

Browser Addons and Apps

View our data inside your browser with our popular browser extensions.