tungsten842 / nts-servers

Time servers with NTS support

NTP servers with NTS support

This is intended to bootstrap a list of NTP servers with NTS support given that NTS support is not currently widespread.

Pull requests are welcome to add new sources (signed commits are preferred). Each PR should include any proposed changes to README.md and chrony.conf. Please adhere to the format.

• Before using anycast NTP servers, make sure that you understand the limitations
• Generally, virtualized systems do not make for good time sources as there is too much jitter. Submissions should strive to ensure that high quality time is available.

Hostname	Stratum	Location	Owner	Notes
time.cloudflare.com	3	All	Cloudflare	Anycast
a.st1.ntp.br	1	Brazil	ntp.br
b.st1.ntp.br	1	Brazil	ntp.br
c.st1.ntp.br	1	Brazil	ntp.br
d.st1.ntp.br	1	Brazil	ntp.br
gps.ntp.br	1	Brazil	ntp.br
brazil.time.system76.com	2	Brazil	System76
time.bolha.one	1	Brazil	Cadu Silva
paris.time.system76.com	2	France	System76
ntp3.fau.de	1	Germany	FAU
ntp3.ipv6.fau.de	1	Germany	FAU	IPv6 only
ptbtime1.ptb.de	1	Germany	PTB
ptbtime2.ptb.de	1	Germany	PTB
ptbtime3.ptb.de	1	Germany	PTB
ptbtime4.ptb.de	1	Germany	PTB
www.jabber-germany.de	2	Germany	Jörg Morbitzer
www.masters-of-cloud.de	2	Germany	Jörg Morbitzer
ntp-by.dynu.net	1	Germany	Michael Byczkowski
nts.ntstime.de	2	Germany	Patrick Jansen
ntppool1.time.nl	1	Netherlands	TimeNL
ntppool2.time.nl	1	Netherlands	TimeNL
ntpmon.dcs1.biz	1	Singapore	Sanjeev Gupta
nts.netnod.se	1	Sweden	Netnod	Anycast
gbg1.nts.netnod.se	1	Sweden	Netnod	For users close to Göteborg
gbg2.nts.netnod.se	1	Sweden	Netnod	For users close to Göteborg
lul1.nts.netnod.se	1	Sweden	Netnod	For users close to Luleå
lul2.nts.netnod.se	1	Sweden	Netnod	For users close to Luleå
mmo1.nts.netnod.se	1	Sweden	Netnod	For users close to Malmö
mmo2.nts.netnod.se	1	Sweden	Netnod	For users close to Malmö
sth1.nts.netnod.se	1	Sweden	Netnod	For users close to Stockholm
sth2.nts.netnod.se	1	Sweden	Netnod	For users close to Stockholm
svl1.nts.netnod.se	1	Sweden	Netnod	For users close to Sundsvall
svl2.nts.netnod.se	1	Sweden	Netnod	For users close to Sundsvall
ntp.3eck.net	2	Switzerland	Adrian Zaugg
ntp.trifence.ch	2	Switzerland	Marcel Waldvogel
ntp.zeitgitter.net	2	Switzerland	Marcel Waldvogel
time.signorini.ch	1	Switzerland	Attilio Signorini
ohio.time.system76.com	2	US	System76
oregon.time.system76.com	2	US	System76
virginia.time.system76.com	2	US	System76
stratum1.time.cifelli.xyz	1	US	Mike Cifelli
time.cifelli.xyz	2	US	Mike Cifelli
time.txryan.com	2	US	Tanner Ryan

The following servers are known to be virtualized and may be less accurate. YMMV.

Hostname	Stratum	Location	Owner	Notes
ntp.viarouge.net	2	France	Hubert Viarouge

Use this to verify connectivity (h/t @cadusilva)

chronyd -Q -t 3 'server <NTP_SERVER_HERE> iburst nts maxsamples 1'

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