server ntp.pittsburgh.intel-research.net
server ntp.berkeley.intel-research.net
server ntp1.intel-research.net
#content from ntp.conf.net
server clock.redhat.com
server time.apple.com
server pool.ntp.org
server mit-main.ron.lcs.mit.edu
server ucsd.ron.lcs.mit.edu
server utah.ron.lcs.mit.edu