Could not resolve host

dash-dns
#1
curl -I www.yceffort.kr
curl: (6) Could not resolve host: www.yceffort.kr

dig +short NS yceffort.kr
logan.ns.cloudflare.com.
jade.ns.cloudflare.com.

what is the problem of my cloudflare dns setting?

#2

Maybe a propagation issue. Wait a couple of hours and try again. If it still does not work you’d need to check the DNS configuration and resolver of your machine.