Continue getting "DNS problem: NXDOMAIN looking up A" error in both Nginx and Apache

I want to set up LE for my domain but I keep getting the error:

`Failed authorization procedure. (tls-sni-01): urn:acme:                                                                                        error:connection :: The server could not connect to the client to verify the dom                                                                                        ain :: DNS problem: NXDOMAIN looking up A for


I tried followung this tutorial but keep getting the abobe error with both Nginx and Apache. How do I fix the issue?

I am a noob but I think its a DNS issue. If it is, please tell me how to fix it.

Currently, I only have the A record for the domain set up. What do I need to change to fix the issue?

You’re trying to get a cert for when only exists. Either add an A or CNAME record for or request a cert for only.


Thanks you.

I requested request a cert just for instead of the www version and the problem has been fixed.

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