Knowledge Base

Answers and Guides

What Is a Name Server and How Does It Resolve Domain Names?

A name server is a server that answers DNS queries — it translates domain names into the records (IP addresses, mail targets, and…

What Is DNSSEC and How Does It Protect DNS Answers?

DNSSEC (Domain Name System Security Extensions) is a set of DNS protocol extensions that cryptographically sign DNS data so a res…

What Is "Open Netlabs" and Is It the Same as NLnet Labs?

"Open Netlabs" is not a separate organization, product, or company. It is a common misspelling or shorthand for NLnet Labs, a non…

What Is NLnet Labs and What Software Does It Maintain?

NLnet Labs is a nonprofit foundation that builds open-source software for two core parts of internet infrastructure: DNS and rout…

What Is a Domain and How Do You Look Up Its Details?

A domain name is the human-readable label that identifies a website or online service, such as google.com. It maps to a numeric I…

What Is DNS and How Does It Work?

DNS (Domain Name System) is the internet's naming layer: it translates human-readable domain names like google.com into the IP ad…

What Does "Open Source" Mean for a Zen Cart Online Store?

Open source means the software's source code is publicly available, so anyone can inspect, modify, and redistribute it. Zen Cart,…

What Are Open-Source UI Element Libraries and How Do They Differ From UI Frameworks?

An open-source UI element library is a collection of individual, ready-made interface pieces—buttons, cards, inputs, toggles, loa…

Understanding DNS

Translates domains into server addresses and carries records for email, verification and security policies.

Understanding DNSSEC

Uses digital signatures to check whether DNS responses have been tampered with.