The Domain Name System (DNS) is a hierarchical decentralized naming system for computers, services, or any resource connected to the Internet or a private network.
A DNS-based Blackhole List (DNSBL) or Real-time Blackhole List (RBL) is an effort to stop email spamming.
DNS hijacking or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries.
Dnsmasq is a Domain Name System (DNS) forwarder and Dynamic Host Configuration Protocol (DHCP) server for small computer networks, created as free software.
The DNS root zone is the top-level DNS zone in the hierarchical namespace of the Domain Name System (DNS) of the Internet.
DNS-based Authentication of Named Entities (DANE) is a protocol to allow X.509 certificates, commonly used for Transport Layer Security (TLS), to be bound to DNS names using Domain Name System Security Extensions (DNSSEC).
DNS zone transfer, also sometimes known by the inducing DNS query type AXFR, is a type of DNS transaction.
DNS spoofing, also referred to as DNS cache poisoning, is a form of computer hacking in which corrupt Domain Name System data is introduced into a DNS resolver's cache, causing the name server to return an incorrect IP address.
A DNS hosting service is a service that runs Domain Name System servers. Most, but not all, domain name registrars include DNS hosting service with registration.
DNSimple is a managed domain name server service operated by Aetrion LLC dba DNSimple, which offers DNS hosting, domain registration and SSL certificate.