Page 128 - RHEL8 BOOK

12. Edit Reverse Zone File
[root@sun named]# vi reverse.zone
$TTL 86400
@ IN SOA sun.idesign.com. root.idesign.com. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS sun.idesign.com.
1 IN PTR sun.
2 IN PTR moon.

13. Check Configuration File1 and File2
[root@sun named]# named-checkconf /etc/named.conf
[root@sun named]# named-checkconf /etc/named.rfc1912.zones

14. To Check the Forward Zone File Syntax
[root@sun named]# named-checkzone idesign.com /var/named/forward.zone
zone mars.com/IN: loaded serial 42

15. To Check the Reverse Zone File Syntax
[root@sun named]# named-checkzone idesign.com /var/named/reverse.zone
zone mars.com/IN: loaded serial 1997022700

16. Check the Resolution
[root@sun named]# dig sun.idesign.com
[root@sun named]# dig moon.idesign.com
[root@sun named]# dig –x 192.168.10.1
[root@sun named]# dig –x 192.168.10.2
[root@sun named]#nslookup
>sun.idesign.com
>192.168.10.1

[root@sun named]#ping sun.iiht.com

[root@sun named]#ping www.iiht.com

S. Pradhan
(MCA, MBA-IT, BCA, CCNA, MCSA 2012, RHCE, ETHICAL HACKING)
Email Id:-spradhan.iiht@gmail.com
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