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: 103.186.118.216
Name:	asia.pool.ntp.org
Address: 208.88.66.8
Name:	asia.pool.ntp.org
Address: 103.186.118.213
Name:	asia.pool.ntp.org
Address: 129.159.140.221