shell:$ nslookup -timeout=2 -retry=1 'www.a3sec.co'
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: www.a3sec.co
Address: 104.21.30.197
Name: www.a3sec.co
Address: 172.67.173.145
Name: www.a3sec.co
Address: 2606:4700:3033::ac43:ad91
Name: www.a3sec.co
Address: 2606:4700:3034::6815:1ec5
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