Custom domain SSL certificate provisioning fails with HTTP-01 challenge for weddingpick.kr

Hello,

I'm trying to connect the custom domain weddingpick.kr to my Vercel project, but Vercel shows:

"Failed To Generate Cert" "We could not generate a cert for weddingpick.kr because the required http-01 challenge failed."

I verified the DNS and connectivity:

Domain: weddingpick.kr

A record: 216.198.79.1

Public DNS resolution:

Cloudflare 1.1.1.1 → 216.198.79.1
Google 8.8.8.8 → 216.198.79.1

AAAA: none

CAA: none

_acme-challenge TXT: none

Nameservers: ns1.hosting.co.kr ns2.hosting.co.kr ns3.hosting.co.kr ns4.hosting.co.kr

HTTP request: http://weddingpick.kr/.well-known/acme-challenge/test

returns HTTP 404 from Vercel, confirming that HTTP traffic reaches Vercel.

TLS test: openssl s_client -connect weddingpick.kr:443 -servername weddingpick.kr

returns: "no peer certificate available"

The domain is connected to the Production environment in Vercel.

Could you please check the certificate provisioning state for weddingpick.kr and retry/reissue the SSL certificate if necessary?

Thank you.

There's another community post with 404 debugging tips that might be helpful. Please give these solutions a try and let us know how it goes.

https://community.vercel.com/t/debugging-404-errors/437

Vercel Community

Debugging 404 Errors

Sometimes things don’t go as expected when deploying a website. If you see a 404 on your site, that means the page or resource couldn’t be found. There are...

A human should be around soon to offer more advice. But you can also get helpful information quickly by asking v0.