Getting error while creating certificate for my domain


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


  • The following errors were reported by the server:

    Type: connection
    Detail: DNS problem: NXDOMAIN looking up A for

    To fix these errors, please make sure that your domain name was
    entered correctly and the DNS A record(s) for that domain
    contain(s) the right IP address. Additionally, please check that
    your computer has a publicly routable IP address and that no
    firewalls are preventing the server from communicating with the
    client. If you’re using the webroot plugin, you should also verify
    that you are serving files from the webroot path you provided.

Please Help !



Hello @amitshar04,

Your DNS don’t resolve the domain You need to create an A record on your DNS pointing to your public ip (I suppose is or create a CNAME record on your DNS pointing to that is exactly how you configured it for your domain



Thanks sahsanu !!

I appreciate :slight_smile:

I will try this & will update you how its going on.


Hi @sahsanu

I removed www from my command

issue is resolved now. thanks :slight_smile:


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