This is a list of all known public NTP servers that support NTS (Network Time Security).
Hostname Stratum Location Notes -------------------------------------------------------------------------------- time.cloudflare.com 3 All Anycast nts.teambelgium.net 1 Belgium Contact for non-personal, commercial or professional use a.st1.ntp.br 1 Brazil b.st1.ntp.br 1 Brazil c.st1.ntp.br 1 Brazil d.st1.ntp.br 1 Brazil gps.ntp.br 1 Brazil brazil.time.system76.com 2 Brazil time.bolha.one 1 Brazil time.dfm.dk 1 Denmark ntp.miuku.net 3 Finland paris.time.system76.com 2 France ntp.viarouge.net 2 France ntp3.fau.de 1 Germany ntp3.ipv6.fau.de 1 Germany IPv6 only ptbtime1.ptb.de 1 Germany ptbtime2.ptb.de 1 Germany ptbtime3.ptb.de 1 Germany ptbtime4.ptb.de 1 Germany www.jabber-germany.de 2 Germany www.masters-of-cloud.de 2 Germany ntp.nanosrvr.cloud 1 Germany ntppool1.time.nl 1 Netherlands ntppool2.time.nl 1 Netherlands ntpmon.dcs1.biz 1 Singapore nts.netnod.se 1 Sweden gbg1.nts.netnod.se 1 Sweden For users close to Göteborg gbg2.nts.netnod.se 1 Sweden For users close to Göteborg lul1.nts.netnod.se 1 Sweden For users close to Luleå lul2.nts.netnod.se 1 Sweden For users close to Luleå mmo1.nts.netnod.se 1 Sweden For users close to Malmö mmo2.nts.netnod.se 1 Sweden For users close to Malmö sth1.nts.netnod.se 1 Sweden For users close to Stockholm sth2.nts.netnod.se 1 Sweden For users close to Stockholm svl1.nts.netnod.se 1 Sweden For users close to Sundsvall svl2.nts.netnod.se 1 Sweden For users close to Sundsvall ntp.3eck.net 2 Switzerland ntp.trifence.ch 2 Switzerland ntp.zeitgitter.net 2 Switzerland time.signorini.ch 1 Switzerland ohio.time.system76.com 2 USA oregon.time.system76.com 2 USA virginia.time.system76.com 2 USA stratum1.time.cifelli.xyz 1 USA time.cifelli.xyz 2 USA time.txryan.com 2 USA