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DNS server for parking domains securely

Project description

Domain Park: Prevent abuse of parked domains

PyPi Python Versions License

domain-park is an open-source DNS Name server that implements best practice MX, SPF, DKIM, and DMARC DNS records in order to prevent spoofing of registered but unused domain names (also known as parked domains).


  • Implement best practice DNS records for SPF, DKIM, DMARC, MX compliance.
  • Handle unlimited domains with little to no configuration.
  • Setup receiving of DMARC aggregate reports.

domain-park is currently Alpha software and does not have complete documentation, testing, or implementation of certain features.

This page is for the domain-park software, you may be looking for the public name servers.


Install via pip

pip3 install --user domain-park


domain-park --help
usage: domain-park [-h] [--version] [--host HOST] [--port PORT]
                   [--tcp | --udp] -n NAMESERVER [--rua EMAIL] [--ruf EMAIL]

optional arguments:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  --host HOST           Host (IP) to bind to. Use --ips to see available.
                        Defaults to localhost.
  --port PORT           Port to bind to. Defaults to 9953.
  --tcp                 Use TCPv4 socket for transport.
  --udp                 Use UDPv4 socket for transport. (default)
  -n NAMESERVER, --nameserver NAMESERVER
                        Add NameServer to list returned on NS lookups. This
                        should be equal to the NS records available publicly
                        running domain-park. Must be supplied at least once,
                        and has no limit. Reccomended to have 2-4 Name
                        Servers. Expected to be in the format of either
                        'FQDN:IP' or 'IP'
  --rua EMAIL           Email address to use for DMARC aggregate repots.
  --ruf EMAIL           Email address to use for DMARC forensic reports.
  --ips                 Print available IPs and exit


domain-park -n -n

Once running, interact using dig:

dig -p 9953 @localhost NS

dig -p 9953 @localhost TXT
dig -p 9953 @localhost TXT

dig -p 9953 @localhost TXT

dig -p 9953 @localhost TXT
dig -p 9953 @localhost TXT

dig -p 9953 @localhost MX

Production Usage

In order to setup domain-park for use with publicly accessible domains, you will need a static IP address for the server running domain-park and a domain which you can set records on.

On your domain you will need to create an A for your name server using the static IP address. Once done you will then need to create a glue record for the previously created A record.

Bugs, Feature Requests etc

TLDR: Please submit an issue on github.

In the case of bug reports, please help me help you by following best practices [1] [2].

In the case of feature requests, please provide background to the problem you are trying to solve so to help find a solution that makes the most sense for the library as well as your usecase.


The only development dependency is bash and docker. All actions are run within docker for ease of use. See ./ help for commands. Typical commands are format, lint, test, repl, build.

I am still working through open source licencing and contributing, so not taking PRs at this point in time. Instead raise and issue and I'll try get to it as soon a feasible.


This project is licenced under the MIT Licence - see LICENCE.

This project includes other open source licenced software - see NOTICE.


A project by Nicholas Hairs -

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