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df-a/Time Servers with NTS support.md

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Created October 16, 2023 19:03
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A curated list of NTP time servers that support NTS
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Time Servers with NTS support.md

ALERT

Please submit new entries as pull requests to https://github.com/jauderho/nts-servers. This gist will eventually just point to the repo.

Initial source: https://docs.ntpsec.org/latest/NTS-QuickStart.html

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

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

Public

# Cloudflare (Anycast)
server time.cloudflare.com nts iburst

# System76
server virginia.time.system76.com nts iburst
server ohio.time.system76.com nts iburst
server oregon.time.system76.com nts iburst

# Netnod (Sweden)
server nts.netnod.se:4460 nts iburst # Anycast
server sth1.nts.netnod.se:4460 nts iburst # Stockholm 
server sth2.nts.netnod.se:4460 nts iburst # Stockholm

# Physikalisch-Technische Bundesanstalt / PTB (Germany)
server ptbtime1.ptb.de nts iburst
server ptbtime2.ptb.de nts iburst
server ptbtime3.ptb.de nts iburst

# Time.nl (Netherlands)
server ntppool1.time.nl nts iburst
server ntppool2.time.nl nts iburst

Development (possibly unstable)

server ntpmon.dcs1.biz nts	# Singapore

server ntp1.glypnod.com nts	# San Francisco  
server ntp2.glypnod.com nts	# London

Others (unverified)

server pi3.rellim.com nts
  
server kong.rellim.com nts

server ntp.qontinuum.space nts # Monaco?
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