Checking named.conf and DNS zone files for syntax errors such as dots, spaces, and coma’s etc is a tedious job to find and pinpoint them. Its very difficult to find where is the error in named.conf file. So for that we can use

named-checkconf command to help us..

Syntax

#named-checkconf configurationfileloc

Example : 

#named-checkconf /var/named/chroot/etc/named.conf

When you execute above command it will show you the errors if any according to line number, so it’s very much easy to check where we did the mistake.

For Checking Zone files(both forword and reverse)there is one more command

named-checkzone

Syntax :

#named-checkzone domainname zonefileloc

Example : 

#named-checkzone example.com /var/named/chroot/var/named/example.frd

where example.frd is my forword zone file for my domain example.com. We hope this will help you in resolving your DNS server issues up to some extent.

Please visit https://www.linuxnix.com for more linux admin stuff

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Surendra Anne

Mr Surendra Anne is from Vijayawada, Andhra Pradesh, India. He is a Linux/Open source supporter who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. He works as Devops Engineer with Taggle systems, an IOT automatic water metering company, Sydney . You can contact him at surendra (@) linuxnix dot com.