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Dnsmasq 是一个轻量级的，易于配置的 DNS 转发器和 DHCP 服务器。旨在为 小型网络提供 DNS 和 可选的 DHCP。DHCP 服务器和 DNS 服务器集成，可以 通过 DHCP 分配来为每台机器设置 DNS 服务器。Dnsmasq 支持静态和动 态 DHCP 租约，和 BOOTP/TFTP/PXE 网络无盘启动计算机。 Dnsmasq 适用于那些使用 NAT 并通过调制解调器、电缆调制解调器 或者 ADSL 连接网络的家庭网络，对小型网络（最多为 1000 个客户端） 也是不错的选择，资源使用少、配置简单是其终于的特性。 —— 西蒙 凯利

gen6dns is a tool to generate static DNS records (AAAA and PTR) for hosts using Stateless Address Autoconfig (SLAAC). If you have a list of hostnames, mac addresses and ipv6 subnets gen6dns generates the appropriate AAAA and PTR records for you. It supports different scopes and the generation of view (split) specific files.

AnyEvent::DNS::EtcHosts AnyEvent::DNS behavior to use /etc/hosts The DNS lookups are emulated. This resolver returns the standard DNS reply based on /etc/hosts file rather than real DNS. You can choose different file by changing PERL_ANYEVENT_HOSTS environment variable. This module also disables original AnyEvent::Socket's helper function which reads /etc/hosts file after DNS entry was not found. It prevents to read this file twice. The AnyEvent::Socket resolver searches IPv4 and IPv6 addresses separately. If you don't want to check the addresses in DNS, both IPv4 and IPv6 addresses should be placed in /etc/hosts or the protocol family should be set explicitly for resolve_sockaddr function.

Net::DNS::Match is a Perl extension for testing domains against another list of domains (similar to Net::Patricia but for FQDNs).

Net::DNS::Check is a collection of OOP Perl modules allowing easy implementation of applications for domain name checking. The Net::DNS::Check was built to be as easy as possible to use and highly configurable and flexible: it allow easy implementation of your custom test and deeper configuration of what you want to check and how.

The Net::DNS::ZoneFile::Fast module provides an ability to parse zone files that BIND8 and BIND9 use, fast. Currently it provides a single function, parse(), which returns a reference to an array of traditional Net::DNS::RR objects, so that no new API has to be learned in order to manipulate zone records.

Bundy is a new applications framework for Internet infrastructure, such as DNS, DHCP, NTP. The Bundy framework consists of a control framework, an application interface, a statistics server, a logging framework, a remote control daemon, a configuration client tool, and numerous other tools for its development and operation. Multiple infrastructure applications modules can be run under this framework. The Bundy authoritative DNS application is one such application. Bundy-DNS is designed to be dynamically-updated, easily extensible, and to leverage a database back-end. The ISC started work on BIND 10 in 2009. In 2014 it became a community project and was renamed Bundy.

The Knot DNS Resolver is a caching full resolver implementation, including both a resolver library and a daemon.

Class to setup a number of nameservers that respond to specific DNS queries (QNAME,QTYPE) by prespecified answers. This class is to be used in test suites where you want to have servers to show predefined behavior. If the server will do a lookup based on QNAME,QTYPE and return the specified data. If there is no QNAME, QTYPE match the server will return a SERVFAIL. A log will be written to STDERR it contains time, IP/PORT, QNAME, QTYPE, RCODE.

The Net::DNS::Zone::Parser should be considered a preprocessor that "normalizes" a zonefile. It will read a zonefile in a format conforming to the relevant RFCs with the addition of BIND's GENERATE directive from disk and will write fully specified resource records (RRs) to a filehandle. Whereby: - All comments are stripped - There is one RR per line - Each RR is fully expanded i.e. all domain names are fully qualified (canonicalised) and the CLASS and TTLs are specified. - Some RRs may be 'stripped' from the source or otherwise processed. For details see the 'read' method. Note that this module does not have a notion of what constitutes a valid zone, it only parses. For example, the parser will happilly parse RRs with ownernames that are below in another zone because a NS RR elsewhere in the zone.