shell:$ nslookup -timeout=2 -retry=1 'pub.pmang.com'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
pub.pmang.com canonical name = pub.pmang.com.cdn.cloudflare.net.
Name: pub.pmang.com.cdn.cloudflare.net
Address: 104.17.5.18
Name: pub.pmang.com.cdn.cloudflare.net
Address: 104.17.6.18
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