Steps to resolve the error named Failed
rndc: connect failed: connection refused
If you get following errors while checking /var/log/message in case named fails
named: using 1 CPU
named: loading configuration: failure
named: exiting (due to fatal error)
Then execute the following command at root prompt.
Initially login to your server as root.
Fire the following command:
up2date -u bind-libs
service named restart