Another DDNS Rock-on

[phillxnet]

Rockstor's self-hosting nature re services is a prime candidate for DDNS Rock-ons.

Options:

• www.noip.com offer a free service for e.g. yourname.no-ip.info and a docker client image:
• • https://www.noip.com/download?page=linux
• • OCI Image: https://github.com/noipcom/linux-update-client-docker/pkgs/container/noip-duc

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Re: #522 (comment) We have the existing Duck DNS Rock-on already.

[Hooverdan96]

Makes sense, we already have one for duckdns (which I've been using, and it works well)

[phillxnet]

@Hooverdan96 I've rolled into our ongoing 'norms' work under #508 some description improvements for our Duck DNS.