ClueDNS knowledge path

Precise terms and record behavior

Use the reference when exact syntax, ownership, caching, coexistence, or standards language matters.

Terminology

Glossary

Precise definitions for delegation, bailiwick, authoritative data, recursive resolution, and related terms.

A · type 1

Understand DNS A records, IPv4 address syntax, owner-name behavior, caching, coexistence, and what an address answer proves.

NS · type 2

Understand DNS NS records at parents and child zones, nameserver targets, glue dependencies, caching, and delegation verification.

CNAME · type 5

Understand DNS CNAME aliases, canonical targets, coexistence restrictions, caching, apex limits, and verification boundaries.

MX · type 15

Understand DNS MX preference and targets, implicit and null MX behavior, caching, coexistence, and mail-delivery verification.

TXT · type 16

Understand DNS TXT strings, owner-specific semantics, coexistence, caching, security limits, and verification for email and tokens.

AAAA · type 28

Understand DNS AAAA records, IPv6 address syntax, owner-name behavior, caching, coexistence, and what an IPv6 answer proves.