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DuckDNS URL no longer working on home network? (lemy.lol)

submitted 1 year ago* (last edited 1 year ago) by flork@lemy.lol to c/selfhosted@lemmy.world

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I have my home server apps configured with NGINX proxy manager and DuckDNS to access remotely, but about three weeks ago DuckDNS URLs stopped working on my home network. I can access 192.168.XXX.XXX:1234 on the home network but myapp.duckdns.org times out.

It DOES work as expected using a VPN or on mobile data.

Any ideas as to what's going on?

~~EDIT: I kind-of sort-of got a workaround working using pi-hole "local DNS" feature to point the duckdns URL to NGINX.~~ Didn't work

EDIT 2: Disabling the router's firewall completely seems to have fixed it. Still trying to figure out the exact setting that did it. I will update this post if I can.

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[–] perishthethought@lemm.ee 2 points 1 year ago (1 children)

Did you check to be sure that DuckDNS knows your current home external IP address?

[–] flork@lemy.lol 3 points 1 year ago (1 children)

Yes and DuckDNS is working flawlessly everywhere except that the network the server is also connected to.

[–] Lyra_Lycan@lemmy.blahaj.zone 2 points 1 year ago* (last edited 1 year ago) (1 children)

Sometimes DuckDNS goes down partially, their servers breaking for about a week is why I purchased a domain and now host via Cloudflare.

Edit: One of my DuckDNS domains works internally, so at least it's not a systemwide issue. Perhaps one of their relays..

[–] flork@lemy.lol 2 points 1 year ago

Well like I said DuckDNS is working