Blog Finding the IP address of a website behind Cloudflare

Knowledge Is Power

Step up your cyber security with unparalleled intelligence data

3.4 Trillion

Historical DNS lookups

3 Billion

Historical WHOIS records

432 Million

Total hostnames tracked

213 Million

Domains tracked

Coventry University

All the data you need,
all in one place

Tap into a treasure-trove of cyber security gold and get the info you can’t find anywhere else. We’re proud to offer security analysts and developers the most current DNS and domain intel with one simple search.


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Lightning-fast database

If big data is big, we’re big security data. Our database is unprecedented in scale and performance. Search 4 trillion data points — all in one place, and accessible at the speed of now.

Exclusive data

We scour the net daily to get the latest info, including datasets that can’t be recreated and compile them for easy access. Forget about pay-to-click services, search all of our proprietary data for a flat monthly fee.

Awesome APIs

Put our powerful data to work for you with our flawlessly-fast APIs. Get the critical security info you need and have it run in your application glitch-free.