pool.ntp.org
time.windows.com
chime.utoronto.ca
ntp.css.gov
time.nrc.ca
ntp.psn.ru
ntp.cs.strath.ac.uk
clock.netcetera.dk
clock.psu.edu
bernina.ethz.ch
clock.tricity.wsu.edu
constellation.ecn.uoknor.edu
dominator.eecs.harvard.edu
time.ijs.si
fartein.ifi.uio.no
gilbreth.ecn.purdue.edu
info.cyf-kr.edu.pl
hmljhp.rzs-hm.si
libra.rice.edu
ntp.adelaide.edu.au
ntp.cs.unp.ac.za
ntp.ctr.columbia.edu
ntp.shim.org
ntp.tmc.edu
ntp1.cmc.ec.gc.ca
ntp1.kansas.net
ntp1.sura.net
ntp3.cs.wisc.edu
ntp2d.mcc.ac.uk
sign.chg.ru
salmon.maths.tcd.ie
slug.ctv.es
tick.keso.fi
tick.nap.com.ar
tick.utoronto.ca
time.aba.net.au
time.alcanet.no
time.nuri.net
time.sinectis.com.ar
timelord.uregina.ca
