time.nist.gov
0.pool.ntp.org
1.pool.ntp.org
2.pool.ntp.org
3.pool.ntp.org
time-a-g.nist.gov
time-b-g.nist.gov
time-c-g.nist.gov
time-d-g.nist.gov
time-d-g.nist.gov
time-e-g.nist.gov
time-e-g.nist.gov
time-a-wwv.nist.gov
time-b-wwv.nist.gov
time-c-wwv.nist.gov
time-d-wwv.nist.gov
time-d-wwv.nist.gov
time-e-wwv.nist.gov
time-e-wwv.nist.gov
time-a-b.nist.gov
time-b-b.nist.gov
time-c-b.nist.gov
time-d-b.nist.gov
time-d-b.nist.gov
time-e-b.nist.gov
time-e-b.nist.gov