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PHP DNS Server

This is an Authoritative DNS Server written in pure PHP. It will listen to DNS request on the default port (Default: port 53) and give answers about any domain that it has DNS records for. This class can be used to give DNS responses dynamically based on your pre-existing PHP code.

Requirements

• PHP 7.2+
• Needs either sockets or socket_create PHP extension loaded (which they are by default)

Example

Here is an example of DNS server usage:

Running example

• Run composer install to install dependencies
• Run php example/example.php to run the server

Query server using dig command to ensure proper functioning

Zone File Storage

PHP DNS Server supports four zone file formats out-of-the-box: Bind, JSON, XML, and YAML; each file format is supported by a specialised Resolver class: BindResolver, JsonResolver, XmlResolver, and YamlResolver, respectively. Example files are in the example/ directory.

JSON zone example

Running Tests

Unit tests using PHPUnit are provided. A simple script is located in the root.

• run composer install to install PHPUnit and dependencies
• run vendor/bin/phpunit from the root to run the tests

Building .phar

• run composer run-script build-server to build the phpdnsserver.phar file, outputs in the bin folder.
• run composer run-script build-console to build the phpdnscli.phar file, outputs in the bin folder.
• run composer run-script build-installer to build the installer. Windows support for the installer is currently limited.

Running the .phar files

To run the new .phar files, download them from the release and move them to the desired folder.

• phpdnsserver.phar to run the phpdnsserver, uses the new filesystem by default
• phpdnscli.phar to run cli commands
• phpdnsinstaller.phar as root to create required folders and default config.

Supported command line switches

• --bind:b - bind to a specific ip. Uses 0.0.0.0 by default
• --port:p - bind to a specific port. Uses port 53 by default
• --config:c - specify the config file. Uses phpdns.json on windows and /etc/phpdns.json on unix systems by default
• --storage:s - specify the path to the storage for zones, and logs. Uses /etc/phpdnsserver on unix, and current working directory on windows.

Supported Record Types

• A
• NS
• CNAME
• SOA
• PTR
• MX
• TXT
• AAAA
• AXFR
• ANY
• SRV
• CAA (since ver. 1.5.0)

License

The MIT License (MIT)

Copyright (c) 2016-2017 Yif Swery

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.