Right now, when you create an app you get a dedicated IPv4 address. Your 8 apps would have 8 IPs unless you removed them (using flyctl ips ). What would be the consequence of removing the IP? Like I CNAME example.com → example.fly.dev . I assume currently that example.fly.dev in turn resolves to …

I moved this to a new topic because it’s interesting information. Right now, we don’t adjust the DNS entry for <app>.fly.dev when you add or remove IPs, it’s always pointed at the first two IPs we provision. That’s something we plan to change. If you remove your ipv4, <app>.fly.dev will only work f…

What happens when you remove a dedicated IP?

kurt September 28, 2020, 7:44pm 5

We pushed a change that will keep the <app>.fly.dev DNS entries in sync when you add/remove IPs on an app.

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fly.io dns responds with released dedicated ip v4

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What happens when you remove a dedicated IP?

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