This server provides both unauthenticated (NTP) and authenticated (NTS) time services. You are encouraged to use NTS where possible.
Stratum: 1
Reference: PPS
Location: North Carolina, USA
Contact: time@cifelli.xyz
To enable NTS authentication, use the following line in your config file for either NTPsec or chrony:
server stratum1.time.cifelli.xyz iburst nts
The nts flag at the end of the line indicates that the time from this server will only be used if it is properly authenticated.