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nixos/networking: Switch to home.arpa as an example for the domain #100160

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merged 1 commit into from Oct 10, 2020

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primeos
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@primeos primeos commented Oct 10, 2020

The special-use domain "home.arpa." is designated for non-unique use in
residential home networks 0 and registered as such 1. Therefore it
is more appropriate than "home." which could cause conflicts or result
in queries that leak out and reach the root name servers.

Motivation for this change

Minor nitpick that I noticed while performing other changes.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.

The special-use domain "home.arpa." is designated for non-unique use in
residential home networks [0] and registered as such [1]. Therefore it
is more appropriate than "home." which could cause conflicts or result
in queries that leak out and reach the root name servers.

[0]: https://tools.ietf.org/html/rfc8375
[1]: https://www.iana.org/assignments/special-use-domain-names/special-use-domain-names.xhtml
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@mweinelt mweinelt left a comment

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I fully agree.

home.arpa.	86400	IN	SOA	prisoner.iana.org. hostmaster.root-servers.org. 1 604800 60 604800 604800

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