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IO::Async::Resolver::DNS extends the IO::Async::Resolver class with extra methods and resolver functions to perform DNS-specific resolver lookups. It does not directly provide any methods or functions of its own. These functions are provided for performing DNS-specific lookups, to obtain MX or SRV records, for example. For regular name resolution, the usual getaddrinfo and getnameinfo methods on the standard IO::Async::Resolver should be used.

Net::DNS::Codes provides forward and reverse lookup for most common C library DNS codes as well as all the codes for the DNS HEADER field.

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

Net::DNS::Async is a fire-and-forget asynchronous DNS helper.

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.

This module provides a replacement function for Socket::inet_aton, with support for timeouts.

Net::DNS::RR::SRV::Helper is a perl module to order SRV records by priority and weight for Net::DNS.

Net::DNS::Resolver::Programmable is a Net::DNS::Resolver descendant class that allows a virtual DNS to be emulated instead of querying the real DNS. A set of static DNS records may be supplied, or arbitrary code may be specified as a means for retrieving DNS records, or even generating them on the fly.

Routines to pick apart, examine and put together DNS packets. They can be used for diagnostic purposes or as building blocks for DNS applications such as DNS servers and clients or to allow user applications to interact directly with remote DNS servers.

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.