DNS (Domain Name Service) is an Internet service that maps IP addresses and fully qualified domain names (FQDN) to one another.

DNS alleviates the need to remember IP addresses.

Bind

Blacklists

Clear DNS Cache

Common DNS Server Types

Common Record Types

dnsmasq

DNS over TLS

DNS Performance Tests

Glue Records

Improve DNS Performance

LAME Nameserver Delegation

Open DNS Server

Public DNS Servers

Safe Searching

Stealth Nameservers

Stubby

Unbound

Use Reverse DNS for Mail Delivery

Zone Transfers (AXFR request)