Using SDR on other platforms and stores

[chrisnobrega]

Valve's documentation indicates the SteamNetworkingSockets / SDR can be used outside of Steam:

A Networking API and DDoS solution for a cross-platform game is useless if it only works on one platform. In most cases, your players on other platforms and stores can access the relay network, provided that your game meets some basic conditions...

https://partner.steamgames.com/doc/features/multiplayer/steamdatagramrelay

Does Steamworks.NET support this?