The port 30001 is a NodePort service port, and in general, it’s not available on the public internet. Apparently, kodekloud-exam.app is not defined in the terminal’s DNS, is all.
The port 30001 is a NodePort service port, and in general, it’s not available on the public internet. Apparently, kodekloud-exam.app is not defined in the terminal’s DNS, so curl cannot resolve that. Any reason you must use that DNS name?