Re: [chrony-users] Chrony forgets servers (specified by FQDN) when no DNS server

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On 12/20/2017 09:01 AM, Bill Unruh wrote:
No idea if it will work, but you could put the IP address in instead of names
for your servers-- that way no dns is needed.

Found the URL:
http://support.ntp.org/bin/view/Servers/StratumTwoTimeServers

In that list of servers, there is a field for each NTP time provider, "Use DNS". Many of the public servers in this table require that DNS be used with their service. Here is one entry from the table:

ServerStratum 	StratumTwo
CountryCode 	US NV
Hostname 	time2.nv.skyfiberinternet.com
IP Address 	162.210.111.4
IPv6 Address 	

UseDNS 	Yes
PoolMember 	No
ServerLocation 	Reno, Nevada, USA

A spot check shows that the owners of the servers want you to use DNS. Their server, their rules.

That means the Rules of Engagement makes how chronyd(8) currently handles NXDOMAIN (or no resolver) a bug.

QED

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