shell:$ nslookup -timeout=2 -retry=1 'asia.pool.ntp.org'
Server: 127.0.0.53
Address: 127.0.0.53#53
Non-authoritative answer:
Name: asia.pool.ntp.org
Address: 162.159.200.123
Name: asia.pool.ntp.org
Address: 81.85.93.70
Name: asia.pool.ntp.org
Address: 140.245.90.15
Name: asia.pool.ntp.org
Address: 103.169.192.230
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