DNS Changelog


1.13.0 (2024-06-13) Release on GitHub

  • Feature: Improve PHP 8.4+ support by avoiding implicitly nullable type declarations.
    (#224 by @WyriHaximus)


1.12.0 (2023-11-29) Release on GitHub

1.11.0 (2023-06-02) Release on GitHub


1.10.0 (2022-09-08) Release on GitHub


1.9.0 (2021-12-20) Release on GitHub

  • Feature: Full support for PHP 8.1 release and prepare PHP 8.2 compatibility
    by refactoring Parser to avoid assigning dynamic properties.
    (#188 and #186 by @clue and #184 by @SimonFrings)

  • Feature: Avoid dependency on ext-filter.
    (#185 by @clue)

  • Feature / Fix: Skip invalid nameserver entries from resolv.conf and ignore IPv6 zone IDs.
    (#187 by @clue)

  • Feature / Fix: Reduce socket read chunk size for queries over TCP/IP.
    (#189 by @clue)

1.8.0 (2021-07-11) Release on GitHub

A major new feature release, see release announcement.

  • Feature: Simplify usage by supporting new default loop.
    (#182 by @clue)

    // old (still supported)
    $factory = new React\Dns\Resolver\Factory();
    $resolver = $factory->create($config, $loop);
    // new (using default loop)
    $factory = new React\Dns\Resolver\Factory();
    $resolver = $factory->create($config);

1.7.0 (2021-06-25) Release on GitHub

  • Feature: Update DNS Factory to accept complete Config object.
    Add new FallbackExecutor and use fallback DNS servers when Config lists multiple servers.
    (#179 and #180 by @clue)

    // old (still supported)
    $config = React\Dns\Config\Config::loadSystemConfigBlocking();
    $server = $config->nameservers ? reset($config->nameservers) : '';
    $resolver = $factory->create($server, $loop);
    // new
    $config = React\Dns\Config\Config::loadSystemConfigBlocking();
    if (!$config->nameservers) {
        $config->nameservers[] = '';
    $resolver = $factory->create($config, $loop);

1.6.0 (2021-06-21) Release on GitHub

  • Feature: Add support for legacy SPF record type.
    (#178 by @akondas and @clue)

  • Fix: Fix integer overflow for TCP/IP chunk size on 32 bit platforms.
    (#177 by @clue)

1.5.0 (2021-03-05) Release on GitHub

  • Feature: Improve error reporting when query fails, include domain and query type and DNS server address where applicable.
    (#174 by @clue)

  • Feature: Improve error handling when sending data to DNS server fails (macOS).
    (#171 and #172 by @clue)

  • Fix: Improve DNS response parser to limit recursion for compressed labels.
    (#169 by @clue)

  • Improve test suite, use GitHub actions for continuous integration (CI).
    (#170 by @SimonFrings)


1.4.0 (2020-09-18) Release on GitHub

1.3.0 (2020-07-10) Release on GitHub

  • Feature: Forward compatibility with react/promise v3.
    (#153 by @WyriHaximus)

  • Feature: Support parsing OPT records (EDNS0).
    (#157 by @clue)

  • Fix: Avoid PHP warnings due to lack of args in exception trace on PHP 7.4.
    (#160 by @clue)

  • Improve test suite and add .gitattributes to exclude dev files from exports.
    Run tests on PHPUnit 9 and PHP 7.4 and clean up test suite.
    (#154 by @reedy, #156 by @clue and #163 by @SimonFrings)


1.2.0 (2019-08-15) Release on GitHub

  • Feature: Add TcpTransportExecutor to send DNS queries over TCP/IP connection,
    add SelectiveTransportExecutor to retry with TCP if UDP is truncated and
    automatically select transport protocol when no explicit udp:// or tcp:// scheme is given in Factory.
    (#145, #146, #147 and #148 by @clue)

  • Feature: Support escaping literal dots and special characters in domain names.
    (#144 by @clue)

1.1.0 (2019-07-18) Release on GitHub

  • Feature: Support parsing CAA and SSHFP records.
    (#141 and #142 by @clue)

  • Feature: Add ResolverInterface as common interface for Resolver class.
    (#139 by @clue)

  • Fix: Add missing private property definitions and
    remove unneeded dependency on react/stream.
    (#140 and #143 by @clue)

1.0.0 (2019-07-11) Release on GitHub

  • First stable LTS release, now following SemVer.
    We'd like to emphasize that this component is production ready and battle-tested.
    We plan to support all long-term support (LTS) releases for at least 24 months,
    so you have a rock-solid foundation to build on top of.

This update involves a number of BC breaks due to dropped support for
deprecated functionality and some internal API cleanup. We've tried hard to
avoid BC breaks where possible and minimize impact otherwise. We expect that
most consumers of this package will actually not be affected by any BC
breaks, see below for more details:

  • BC break: Delete all deprecated APIs, use Query objects for Message questions
    instead of nested arrays and increase code coverage to 100%.
    (#130 by @clue)

  • BC break: Move $nameserver from ExecutorInterface to UdpTransportExecutor,
    remove advanced/internal UdpTransportExecutor args for Parser/BinaryDumper and
    add API documentation for ExecutorInterface.
    (#135, #137 and #138 by @clue)

  • BC break: Replace HeaderBag attributes with simple Message properties.
    (#132 by @clue)

  • BC break: Mark all Record attributes as required, add documentation vs Query.
    (#136 by @clue)

  • BC break: Mark all classes as final to discourage inheritance
    (#134 by @WyriHaximus)

0.4.19 (2019-07-10) Release on GitHub

  • Feature: Avoid garbage references when DNS resolution rejects on legacy PHP <= 5.6.
    (#133 by @clue)

0.4.18 (2019-07-09) Release on GitHub

  • Feature / Fix: Implement CachingExecutor using cache TTL, deprecate old CachedExecutor,
    respect TTL from response records when caching and do not cache truncated responses.
    (#129 by @clue)

  • Feature: Limit cache size to 256 last responses by default.
    (#127 by @clue)

  • Feature: Cooperatively resolve hosts to avoid running same query concurrently.
    (#125 by @clue)

0.4.17 (2019-04-01) Release on GitHub

  • Feature: Support parsing authority and additional records from DNS response.
    (#123 by @clue)

  • Feature: Support dumping records as part of outgoing binary DNS message.
    (#124 by @clue)

  • Feature: Forward compatibility with upcoming Cache v0.6 and Cache v1.0
    (#121 by @clue)

  • Improve test suite to add forward compatibility with PHPUnit 7,
    test against PHP 7.3 and use legacy PHPUnit 5 on legacy HHVM.
    (#122 by @clue)


0.4.16 (2018-11-11) Release on GitHub

  • Feature: Improve promise cancellation for DNS lookup retries and clean up any garbage references.
    (#118 by @clue)

  • Fix: Reject parsing malformed DNS response messages such as incomplete DNS response messages,
    malformed record data or malformed compressed domain name labels.
    (#115 and #117 by @clue)

  • Fix: Fix interpretation of TTL as UINT32 with most significant bit unset.
    (#116 by @clue)

  • Fix: Fix caching advanced MX/SRV/TXT/SOA structures.
    (#112 by @clue)

0.4.15 (2018-07-02) Release on GitHub

  • Feature: Add resolveAll() method to support custom query types in Resolver.
    (#110 by @clue and @WyriHaximus)

    $resolver->resolveAll('reactphp.org', Message::TYPE_AAAA)->then(function ($ips) {
        echo 'IPv6 addresses for reactphp.org ' . implode(', ', $ips) . PHP_EOL;
  • Feature: Support parsing NS, TXT, MX, SOA and SRV records.
    (#104, #105, #106, #107 and #108 by @clue)

  • Feature: Add support for Message::TYPE_ANY and parse unknown types as binary data.
    (#104 by @clue)

  • Feature: Improve error messages for failed queries and improve documentation.
    (#109 by @clue)

  • Feature: Add reverse DNS lookup example.
    (#111 by @clue)

0.4.14 (2018-06-26) Release on GitHub

  • Feature: Add UdpTransportExecutor, validate incoming DNS response messages
    to avoid cache poisoning attacks and deprecate legacy Executor.
    (#101 and #103 by @clue)

  • Feature: Forward compatibility with Cache 0.5
    (#102 by @clue)

  • Deprecate legacy Query::$currentTime and binary parser data attributes to clean up and simplify API.
    (#99 by @clue)

0.4.13 (2018-02-27) Release on GitHub

  • Add Config::loadSystemConfigBlocking() to load default system config
    and support parsing DNS config on all supported platforms
    (/etc/resolv.conf on Unix/Linux/Mac and WMIC on Windows)
    (#92, #93, #94 and #95 by @clue)

    $config = Config::loadSystemConfigBlocking();
    $server = $config->nameservers ? reset($config->nameservers) : '';
  • Remove unneeded cyclic dependency on react/socket
    (#96 by @clue)

0.4.12 (2018-01-14) Release on GitHub

  • Improve test suite by adding forward compatibility with PHPUnit 6,
    test against PHP 7.2, fix forward compatibility with upcoming EventLoop releases,
    add test group to skip integration tests relying on internet connection
    and add minor documentation improvements.
    (#85 and #87 by @carusogabriel, #88 and #89 by @clue and #83 by @jsor)


0.4.11 (2017-08-25) Release on GitHub

  • Feature: Support resolving from default hosts file
    (#75, #76 and #77 by @clue)

    This means that resolving hosts such as localhost will now work as
    expected across all platforms with no changes required:

    $resolver->resolve('localhost')->then(function ($ip) {
        echo 'IP: ' . $ip;

    The new HostsExecutor exists for advanced usage and is otherwise used
    internally for this feature.

0.4.10 (2017-08-10) Release on GitHub

  • Feature: Forward compatibility with EventLoop v1.0 and v0.5 and
    lock minimum dependencies and work around circular dependency for tests
    (#70 and #71 by @clue)

  • Fix: Work around DNS timeout issues for Windows users
    (#74 by @clue)

  • Documentation and examples for advanced usage
    (#66 by @WyriHaximus)

  • Remove broken TCP code, do not retry with invalid TCP query
    (#73 by @clue)

  • Improve test suite by fixing HHVM build for now again and ignore future HHVM build errors and
    lock Travis distro so new defaults will not break the build and
    fix failing tests for PHP 7.1
    (#68 by @WyriHaximus and #69 and #72 by @clue)

0.4.9 (2017-05-01) Release on GitHub

  • Feature: Forward compatibility with upcoming Socket v1.0 and v0.8
    (#61 by @clue)

0.4.8 (2017-04-16) Release on GitHub

  • Feature: Add support for the AAAA record type to the protocol parser
    (#58 by @othillo)
  • Feature: Add support for the PTR record type to the protocol parser
    (#59 by @othillo)

0.4.7 (2017-03-31) Release on GitHub

  • Feature: Forward compatibility with upcoming Socket v0.6 and v0.7 component
    (#57 by @clue)

0.4.6 (2017-03-11) Release on GitHub

  • Fix: Fix DNS timeout issues for Windows users and add forward compatibility
    with Stream v0.5 and upcoming v0.6
    (#53 by @clue)
  • Improve test suite by adding PHPUnit to require-dev
    (#54 by @clue)

0.4.5 (2017-03-02) Release on GitHub

  • Fix: Ensure we ignore the case of the answer
    (#51 by @WyriHaximus)
  • Feature: Add TimeoutExecutor and simplify internal APIs to allow internal
    code re-use for upcoming versions.
    (#48 and #49 by @clue)

0.4.4 (2017-02-13) Release on GitHub

  • Fix: Fix handling connection and stream errors
    (#45 by @clue)
  • Feature: Add examples and forward compatibility with upcoming Socket v0.5 component
    (#46 and #47 by @clue)


0.4.3 (2016-08-01) Release on GitHub

  • Feature: Allow for cache adapter injection (#38 by @WyriHaximus)

    $factory = new React\Dns\Resolver\Factory();
    $cache = new MyCustomCacheInstance();
    $resolver = $factory->createCached('', $loop, $cache);
  • Feature: Support Promise cancellation (#35 by @clue)

    $promise = $resolver->resolve('reactphp.org');

0.4.2 (2016-02-24) Release on GitHub

  • Repository maintenance, split off from main repo, improve test suite and documentation
  • First class support for PHP7 and HHVM (#34 by @clue)
  • Adjust compatibility to 5.3 (#30 by @clue)


0.4.1 (2014-04-12) Release on GitHub

  • Bug fix: Fixed PSR-4 autoload path (@marcj/WyriHaximus)

0.4.0 (2014-02-02) Release on GitHub

  • BC break: Bump minimum PHP version to PHP 5.4, remove 5.3 specific hacks
  • BC break: Update to React/Promise 2.0
  • Bug fix: Properly resolve CNAME aliases
  • Dependency: Autoloading and filesystem structure now PSR-4 instead of PSR-0
  • Bump React dependencies to v0.4


0.3.2 (2013-04-27) Release on GitHub

  • Feature: Support default port for IPv6 addresses (@clue)

0.3.0 (2013-01-20) Release on GitHub

  • Bump React dependencies to v0.3


0.2.6 (2012-12-26) Release on GitHub

  • Feature: New cache component, used by DNS

0.2.5 (2012-11-19) Release on GitHub

  • Version bump

0.2.4 (2012-11-17) Release on GitHub

  • Feature: Change to promise-based API (@jsor)

0.2.3 (2012-10-24) Release on GitHub

  • Version bump

0.2.2 (2012-10-24) Release on GitHub

0.2.1 (2012-09-24) Release on GitHub

  • Minor adjustments to DNS parser

0.2.0 (2012-09-10) Release on GitHub

  • Feature: DNS resolver