Sysquery Error Messages

[SoloCDM]

The following errors repeatedly keep logging in /var/log/messages. 
There has never been a time when these messages occurred, until now. 
No recent changes have been made to DNS & BIND.  Where is the
problem?  Is it someone else's server?

named[475]: No root nameservers for class IN
named[475]: sysquery: nlookup error on ?
named[475]: sysquery: nlookup error on ?
last message repeated 4 times
last message repeated 5 times
last message repeated 7 times
last message repeated 31 times
last message repeated 37 times
last message repeated 28 times
last message repeated 45 times
last message repeated 39 times
last message repeated 47 times

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Signed,
SoloCDM