shell:$ nslookup -timeout=2 -retry=1 'www.cdn77.com'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
www.cdn77.com canonical name = 1669655317.rsc.cdn77.org.
Name: 1669655317.rsc.cdn77.org
Address: 138.199.57.100
Name: 1669655317.rsc.cdn77.org
Address: 2a02:6ea0:de00::4
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