Whm let's encrytpt DNS DCV: Getting a Local Unauthorized Error

The site has a certificate applied to each but does not have www.
Certificates do not apply to conetnetflow.co.kr.

My domain is: contentflow.co.kr

My web server is (include version): aws lighsail

The operating system my web server runs on is (include version): whm x aws light sail

My hosting provider, if applicable, is: aws light sail

I can login to a root shell on my machine (yes or no, or I don't know): i don't know

I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
whm cpanel

whm let's encrytpt DNS DCV: Getting a Local Unauthorized Error

The error message is below

DNS DCV: Local Authorization: “contentflow.co.kr”; HTTP DCV: The system failed to get the Domain Control Validation (DCV) file from "http://contentflow.co.kr/.well-known/acme-challenge/37CPCBLT6GALH5TU3LAR9C_GDY2V8RXY" with an error. Hypertext Transfer Protocol (HTTP) “GET” request due to error “http://contentflow.co.kr/.well-known/acme-challenge/37CPCBLT6GALH5TU3LAR9C_GDY2V8RXY”: Unable to connect to 'contentflow.co.kr:80. ': No path to connect target. The domain "contentflow.co.kr" resolved to an IP address "2406:da12:03ba:e900:65ef:8e41:0eeb:cc07" which does not exist on this server.

Welcome @taekwnanoh

You have an AAAA record in your DNS for contentflow.co.kr that is not working.

You do not have this same record in your DNS for the www subdomain so this is probably why that works but the root domain does not work.

Either correct your AAAA record (and use it for both names) or remove the AAAA record

nslookup www.contentflow.co.kr

nslookup contentflow.co.kr
Address: 2406:da12:3ba:e900:65ef:8e41:eeb:cc07

Here is DNS Spy report for contentflow.co.kr view

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