shell:$ nslookup -timeout=2 -retry=1 'ao.pool.ntp.org'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
Name: ao.pool.ntp.org
Address: 162.159.200.1
Name: ao.pool.ntp.org
Address: 196.49.6.106
Name: ao.pool.ntp.org
Address: 162.159.200.123
Name: ao.pool.ntp.org
Address: 196.49.6.67
| 