$ -> ntpq -pnd
::1: timed out, nothing received
***Request timed out

$ -> ntpq -4 -pnd
1 packets reassembled into response
remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
2 packets reassembled into response
*50.116.55.65    64.246.132.14    2 u   42   64   37   77.742  189.392  14.812
2 packets reassembled into response
 199.102.46.73   .GPS.            1 u   44   64   37   73.786  216.082  18.406
2 packets reassembled into response
 198.60.22.240   .GPS.            1 u   48   64   37   22.617  189.405  15.996
2 packets reassembled into response
 127.127.1.0     .LOCL.          10 l  306   64   20    0.000    0.000   0.000

driftfile /var/lib/ntp/drift

# Permit time synchronization with our time source, but do not
# permit the source to query or modify the service on this system.
restrict default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery

# Permit all access over the loopback interface.  This could
# be tightened as well, but to do so would effect some of
# the administrative functions.
restrict 127.0.0.1

restrict 10.0.0.0 mask 255.255.192.0 nomodify notrap


server 0.centos.pool.ntp.org iburst

server 1.centos.pool.ntp.org

server 2.centos.pool.ntp.org


# In case net access is temporarily down
server 127.127.1.0
fudge 127.127.1.0 stratum 10

restrict -6 ::1