## v1.58.0
* Add TCP pipelining (reusing a single TCP connection for multiple requests).
* Enhance zone reading, including reading data from a string.
* Add add_answer! method for adding duplicate answers, as needed for an AXFR response.
* Add support for GPOS and NXT resource records.
* Test cleanup, including removal of use of Nominet servers, soak_test cleanup.
* Refactorings: MessageDecoder, Resolv, Resolver (part).
* Fix zone reader adding unwanted dot to relative hostnames being converted to absolute.
* Fix default access for tsig options in Resolver.
* Fix ZoneTransfer not to use deprecated SingleResolver.
* Fix Resolver bug in parameter to create_tsig_options.
* Fix tests to always use working copy and not gem.
## v1.57.0
* Add query_raw method as alias for send_plain_message, with option to raise or return error.
* Fixed a bug in RR hash calculation where TTL should have been ignored but wasn't.
* Add support for (obsolete) GPOS resource record type.
* Tweak Travis CI configuration.
* Fix zone reader for case where a line contains whitespace preceding a comment.
* Add post install message.
* Improve README.
* Moved content of NEWS to RELEASE_NOTES.md.
* Use git ls-files now to determine files for inclusion in gem.
## v1.56.0
* Drop support for Ruby 1.8, using lambda -> and hash 'key: value' notations.
* First release since the move from Rubyforge to Github (https://github.com/alexdalitz/dnsruby).
* Add EDNS client subnet support.
* Relocate CodeMapper subclasses, Resolv, RR, and RRSet classes.
* Add Travis CI and coveralls integration.
* Improve Google IPV6 support.
* Convert some file names to snake case.
* Remove trailing whitespace from lines, and ensure that comments have space between '#' and text.
* Restore test success when running under JRuby.
* Disabled attempt to connect to Nominet servers, which are no longer available.
* Convert from test/unit to minitest/autorun to support Ruby 2.1+.
* Remove setup.rb.
* Other minor refactoring and improvements to production code, test code, and documentation.
o Validation routine fixes
o Ruby 1.9 fixes
o Recursor fixes
o IPv4 Regex fixes
o Fixes for A/PTR lookups with IP-like domain name
o TXT and SSHFP processing fixes
o Default retry parameters in Resolver more sensible
It provides a complete DNS client implementation, including full DNSSEC support.
Dnsruby is currently used in projects such as OpenDNSSEC and ISC's DLV service.
