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Help with domain (lemm.ee)

submitted 1 year ago by Octavusss@lemm.ee to c/selfhosted@lemmy.world

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Hello everyone.

I bought domain name (example.com) from https://njal.la/ and I want to direct it to my server but I need help with it.

Let's say that I have public and static home IPv4 address 10.172.172.172 (example) and on that address is a computer running on 192.168.200.101 (example) and there is jellyfin server (port 1020/tcp), immich server(port 1021/tcp) and bitwarden server (port 1022/tcp).

My question is can I create a subdomain and point it to these servers?

Like; jellyfin.example.com -> 192.168.200.101:1020

immich.example.com -> 192.168.200.101:1021

bitwarden.example.com -> 192.168.200.101:1022

Or do I have to buy two more separate domains for these servers? Like example2.com and example3.com?

Sorry for english and also if this is a stupid question but I need to know. I have never so far used domains and never dabbled in dns setting and I don't know where to search for info.

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[–] just_another_person@lemmy.world 4 points 1 year ago

Don't mix your public and private DNS records. Use your public records for public things, and a local DNS forwarder for your local network.

A records only reference IPs and not ports.

SRV can be used to specify where to find ports, but the client needs to support those lookups to properly use it. You can use a reverse proxy or HTTP redirects to point things to different ports.