Open · Educational · Independent

Cataloging the Backbone of the Internet

Your DNS is
not private
by default.

Every website you visit starts with a DNS query β€” and by default, that query is sent unencrypted to your ISP. The DNS Catalog helps you understand why that matters and what you can do about it.

πŸ“– Start Learning 🌐 Browse Resolvers πŸ”§ Tools
DNS
Privacy Guide
12+
Resolvers Listed
2
Free Tools
β–Ά What happens when you type a URL
1
Browser asks: where is example.com?
2
DNS query sent to resolver (often your ISP)
3
⚠ Query travels unencrypted by default
4
Resolver returns IP: 93.184.216.34
5
Browser connects β€” ISP saw every domain you queried
βœ“ With DoH/DoT: queries are encrypted and your ISP sees nothing.
Education

Understanding DNS

Each topic starts with plain English and expands into technical depth β€” useful whether you're new to networking or just new to DNS privacy.

Directory

Public DNS Resolvers

A curated index of public DNS resolvers with addresses, privacy policies, and filtering capabilities.

Tools

DNS Tools

Free, browser-based tools. No data is sent to our servers.