shell:$ nslookup -timeout=2 -retry=1 'help.x.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
help.x.com canonical name = help.x.com.cdn.cloudflare.net.
Name: help.x.com.cdn.cloudflare.net
Address: 172.66.0.227
Name: help.x.com.cdn.cloudflare.net
Address: 162.159.140.229
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