shell:$ nslookup -timeout=2 -retry=1 'cf-test.kwai.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
cf-test.kwai.com	canonical name = cf-test.kwai.com.cdn.cloudflare.net.
Name:	cf-test.kwai.com.cdn.cloudflare.net
Address: 172.67.150.133
Name:	cf-test.kwai.com.cdn.cloudflare.net
Address: 104.21.30.38
Name:	cf-test.kwai.com.cdn.cloudflare.net
Address: 2606:4700:3030::6815:1e26
Name:	cf-test.kwai.com.cdn.cloudflare.net
Address: 2606:4700:3034::ac43:9685