user@machine:~$ ntpdate -q 192.43.244.18
server 192.43.244.18, stratum 0, offset 0.000000, delay 0.00000
22 Mar 09:56:01 ntpdate[10551]: no server suitable for synchronization found
user@machine:~$ ntpdate -q 132.163.4.102
server 132.163.4.102, stratum 1, offset -0.003347, delay 0.19644
22 Mar 09:56:31 ntpdate[10642]: adjust time server 132.163.4.102 offset -0.003347 sec
user@machine:~$ ntpdate -q 192.5.41.41
server 192.5.41.41, stratum 0, offset 0.000000, delay 0.00000
22 Mar 09:57:09 ntpdate[10760]: no server suitable for synchronization found
user@machine:~$ ntpdate -q 192.5.41.209
server 192.5.41.209, stratum 0, offset 0.000000, delay 0.00000
22 Mar 09:57:27 ntpdate[10812]: no server suitable for synchronization found
user@machine:~$ ntpdate -q 207.200.81.113
server 207.200.81.113, stratum 0, offset 0.000000, delay 0.00000
22 Mar 09:57:50 ntpdate[10882]: no server suitable for synchronization found
user@machine:~$ ntpdate -q 208.184.49.9
server 208.184.49.9, stratum 0, offset 0.000000, delay 0.00000
22 Mar 09:58:08 ntpdate[10937]: no server suitable for synchronization found
user@machine:~$ ntpdate -q 129.132.2.21
server 129.132.2.21, stratum 0, offset 0.000000, delay 0.00000
22 Mar 09:58:30 ntpdate[11004]: no server suitable for synchronization found
user@machine:~$ ntpdate -q 130.149.17.8
server 130.149.17.8, stratum 1, offset -0.006044, delay 0.08568
22 Mar 09:58:47 ntpdate[11056]: adjust time server 130.149.17.8 offset -0.006044 sec
user@machine:~$ ntpdate -q 128.250.36.3
server 128.250.36.3, stratum 0, offset 0.000000, delay 0.00000
22 Mar 09:59:10 ntpdate[11123]: no server suitable for synchronization found
user@machine:~$ ntpdate -q 130.123.2.99
server 130.123.2.99, stratum 0, offset 0.000000, delay 0.00000
22 Mar 09:59:26 ntpdate[11175]: no server suitable for synchronization found