November, 2014

Nagios: DNS CRITICAL – ‘/usr/bin/nslookup -sil’ msg parsing exited with no address

November 19, 2014 Jordansphere FreeBSD

Scenario: We changed from BIND to Unbound on a smarthost email server. As soon as this was changed Nagios started throwing up a "DNS CRITICAL – '/usr/bin/nslookup -sil' msg parsing exited with no address" . In the following example i've substituted myhost.domain.co.uk for the actual host. Troubleshooting steps:  From the Nagios server i checked the config file: […]

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bind unbound nagios,

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