shell:$ nslookup -timeout=2 -retry=1 'credentials.academy.who.int'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
credentials.academy.who.int	canonical name = www6.credential.net.
www6.credential.net	canonical name = www.credential.net.
www.credential.net	canonical name = www.credential.net.cdn.cloudflare.net.
Name:	www.credential.net.cdn.cloudflare.net
Address: 104.20.39.230
Name:	www.credential.net.cdn.cloudflare.net
Address: 172.66.153.149
Name:	www.credential.net.cdn.cloudflare.net
Address: 2606:4700:10::6814:27e6
Name:	www.credential.net.cdn.cloudflare.net
Address: 2606:4700:10::ac42:9995