shell:$ nslookup -timeout=2 -retry=1 'asia.pool.ntp.org'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	asia.pool.ntp.org
Address: 116.12.46.30
Name:	asia.pool.ntp.org
Address: 103.186.118.218
Name:	asia.pool.ntp.org
Address: 148.113.16.33
Name:	asia.pool.ntp.org
Address: 103.186.118.221