Comment 2 for bug 674868

Thanks for this quick answer.
Here is the modified file.

I found the following 20 servers to be stratum 1 (with ntpdate -q and a perl regex):
ntp1.arnes.si
ntp2.arnes.si
ntp.cesnet.cz
ntps1-0.cs.tu-berlin.de
ntps1-1.cs.tu-berlin.de
ntps1-2.uni-erlangen.de
canon.inria.fr
chronos.cru.fr
clock.cuhk.edu.hk
time.ien.it
cronos.cenam.mx
ntp0.nl.net
ntp1.nl.net
ntp2.nl.net
ntp.certum.pl
vega.cbk.poznan.pl
time1.stupi.se
goodtime.ijs.si
ntp2.ja.net
laikas.pfi.lt

This is unrelated but the following servers were unreachable (ntpdate returns "no server suitable for synchronization found"):
wuarchive.wustl.edu
gilbreth.ecn.purdue.edu
molecule.ecn.purdue.edu
bernina.ethz.ch
time.esec.com.au
ntpa2.kph.uni-mainz.de