YES. afaik, yes.
LNURL is stateless and the first response tells the wallet the callback URL from which it can get the lighting payment request.
So this is reliable, and also works with any lightning address service.
This also has the nice side-effect that you actually "own" your lightning address and you can at any time change the lightning address service, but keep your address. (because it's your domain)
IMO this should be promoted and more people should be aware of this.
people should just be aware of the downsides: as the file is static it does not auto update and does not reflect any changes in the original file. Dynamic min/max sendable amounts then don't work (but I think this is hardly used)
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