shell:$ nslookup -timeout=2 -retry=1 'www.pfizersamples.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.pfizersamples.com	canonical name = www.pfizersamples.com.cdn.cloudflare.net.
Name:	www.pfizersamples.com.cdn.cloudflare.net
Address: 104.18.37.68
Name:	www.pfizersamples.com.cdn.cloudflare.net
Address: 172.64.150.188
Name:	www.pfizersamples.com.cdn.cloudflare.net
Address: 2606:4700:4405::6812:2544
Name:	www.pfizersamples.com.cdn.cloudflare.net
Address: 2a06:98c1:3103::ac40:96bc