#!/bin/bash
#
# NTP US server pools
ntpdate -v -u tick.usno.navy.mil
# ntpdate -v -u tock.usno.navy.mil
# ntpdate -v -u ntp.usno.navy.mil
# ntpdate -v -u ntp2.usno.navy.mil
# ntpdate -v -u 0.us.pool.ntp.org
# ntpdate -v -u 1.us.pool.ntp.org
# ntpdate -v -u 2.us.pool.ntp.org
# ntpdate -v -u 3.us.pool.ntp.org


# 42.41.5.192.in-addr.arpa domain name pointer ntp.usno.navy.mil.
# root@warcrime:~# host 192.5.41.43
# Host 43.41.5.192.in-addr.arpa not found: 3(NXDOMAIN)
# root@warcrime:~# host ntp2.usno.navy.mil
# ntp2.usno.navy.mil has address 192.5.41.209