I can't use ACM to issue a certificate for a subdomain I manage with Vercel

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2

Hi, @raithend! Welcome to the Vercel Community :smile:

I’m by no means any expert in domains, but happy to help! I did some digging and found the following changes you should make:

  • DNS Delegation: You’ve correctly created a hosted zone for api.blackbuck.jp in Route 53 and obtained the NS records. However, these NS records should be added to the parent domain (blackbuck.jp) in Vercel’s DNS settings, not to www.blackbuck.jp

  • CNAME Record: The CNAME record for ACM validation should be added to the Route 53 hosted zone for api.blackbuck.jp, not to Vercel’s DNS settings for www.blackbuck.jp

  • CAA Records: The CAA records should be added to the apex domain (blackbuck.jp) in Vercel’s DNS settings, not to api.blackbuck.jp

Could you let us know how you get on?