DNS

Tagged LibreGuard articles

DNS Articles

Archive 2026 (15) 2025 (1)

A desktop computer connects directly to a DNS server through an encrypted channel

Networking Basics

What Is DNS over TLS (DoT)?

DNS over TLS, or DoT, encrypts DNS lookups between your device and resolver. Learn how it works, what it protects, privacy limits, and how it compares with DoH.

By LibreGuard Team May 23, 2026 3 min read

A laptop connects to a DNS resolver through a glowing encrypted tunnel

Networking Basics

What Is DNS over HTTPS (DoH)?

DNS over HTTPS, or DoH, sends DNS lookups through HTTPS. Learn how it works, what it protects, its tradeoffs, privacy limits, and how it differs from DoT.

By LibreGuard Team May 16, 2026 3 min read

A computer queries a resolver that contacts several DNS servers and returns a response

Networking Basics

What Is DNS?

Learn what DNS is, how domain names become IP addresses, and how resolvers, caching, records, privacy, and DNSSEC work together online.

By LibreGuard Team May 08, 2026 4 min read