6.5.1 DNS check with nslookup
The check_dns
plugin checks whether a specified host name can be resolved to an IP address. Used locally, the plugin tests the DNS configuration of the computer on which it is run. For the name resolution, it uses the name server configured in /etc/resolv.conf
.
The possible options are just as unspectacular.
-H
host
/ --hostname=
host
This is the host name to be resolved to an IP address.
-s
dns-server
/ --server=
dns-server
This switch explicitly specifies the name server to be used. If this option is missing,
check_dns
uses the name server from/etc/resolv.conf
.-a
ip_address
/ --expected-address=
ip_address
The
is the IP address thatip_address
should have. If the name service returns a different address, the plugin ...host
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