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imlonghao avatar imlonghao commented on August 23, 2024 1

I was not sure if the ❌ means "verified & failed" or "not verified".

For Porkbun, it means "not verified" yet.

Zone "example.com" does not exist.

This error was caused by a missing error catch for JSON parsing, the real error message should be the follow, I will fill a PR for this.

failed parsing nameserver list from porkbun: invalid character '<' looking for beginning of value

dnscontrol/providers/porkbun/api.go

Line 157 in 32fe275

json.Unmarshal(bodyString, &ns)

I'm not sure whether they have a hidden rate limit or something, in my test, when there are more than 3 domains in concurrently, an HTTP 503 error was thrown.

<html>
<head><title>503 Service Temporarily Unavailable</title></head>
<body>
<center><h1>503 Service Temporarily Unavailable</h1></center>
<hr><center>openresty</center>
</body>
</html>

I will contact the support for this, asking whether they have a rate limit or just the server crashed.

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imlonghao avatar imlonghao commented on August 23, 2024 1

I got a response from Porkbun support.

The rate limit is 1 request per second.

So the Porkbun provider is not supposed to work concurrently.

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tlimoncelli avatar tlimoncelli commented on August 23, 2024

1 per second? wow, that's pretty low.

It might be useful to implement a re-try on 429 (if porkbun sends a proper 429 when the rate limit is exceeded). Even without concurrency it is possible that we would exceed that limit.

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