| avahi | Multicast/unicast DNS-SD framework | |
| bind | Berkeley Internet Name Daemon is the reference implementation of the DNS protocols | |
| cagibi | A cache/proxy daemon for SSDP (the discovery part of UPnP) | |
| c-ares | C library that performs DNS requests and name resolves asynchronously | |
| ddclient | Update dynamic DNS entries for accounts on many dynamic DNS services. | |
| dnsmasq | Lightweight, easy to configure DNS forwarder and DHCP server | |
| dnsutils | DNS utilities: dig host nslookup | |
| idnkit | Provides functionalities about Internationalized Domain Name processing | |
| libidn | Implementation of the Stringprep, Punycode and IDNA specifications | |
| openresolv | resolv.conf management framework (resolvconf) | |
| pdns | A modern, advanced and high performance authoritative-only nameserver | |
| pdnsd | Is a proxy DNS server with permanent caching | |
| pdns-recursor | PowerDNS recursor | |
| unbound | Validating, recursive, and caching DNS resolver |