shell:$ nslookup -timeout=2 -retry=1 'help.twitter.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
help.twitter.com	canonical name = help.twitter.com.cdn.cloudflare.net.
Name:	help.twitter.com.cdn.cloudflare.net
Address: 172.64.151.237
Name:	help.twitter.com.cdn.cloudflare.net
Address: 104.18.36.19
Name:	help.twitter.com.cdn.cloudflare.net
Address: 2606:4700:440c::6812:2413
Name:	help.twitter.com.cdn.cloudflare.net
Address: 2a06:98c1:3100::ac40:97ed