gray@pawb.socialtoSelfhosted@lemmy.world•Reverse proxy without a single point of failureEnglish
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2 days agoFor what OP is asking DNS has no part in DNAT, they need a load balancer.
Personally, asking about high uptime on a residential ISP is the larger issue here, but alas.
My personal opinion, as soon as you’re charging and providing SLAs you’ve exceeded what you should be doing on a residential ISP.
I’d really recommend putting your app in a real cloud solution, which can provide actual load balancing via DNS natively for regional failover if you desire.