DNS_PROBE_FINISHED_NXDOMAIN instalation problem

[cloudengineer89]

Please help me to resolve this problem.
I've gone through steps 1-4 and after I run the packages and click on the button 'Open your Nextcloud', I receive this error:
DNS_PROBE_FINISHED_NXDOMAIN
My server is located on the ec2.

[szaimen]

Hi, I've found this: https://www.google.com/search?q=DNS_PROBE_FINISHED_NXDOMAIN