Appears not to manage lack of DNS.
It is the lack of a valid DNS that causes NTP to fail....
And NTP isn't yet designed to cope with DNS changes/missing DNS.
Apparently there has been some discussion of making DNS queries dynamic on one of the mailing lists....
But I'm not clear of the conclusions.
The 'dynamic' option didn't work for me.
Appears not to manage lack of DNS.
It is the lack of a valid DNS that causes NTP to fail....
And NTP isn't yet designed to cope with DNS changes/missing DNS.
Apparently there has been some discussion of making DNS queries dynamic on one of the mailing lists....
But I'm not clear of the conclusions.