TOPIC 9 Date: 4/2/2009

Doman Name Server (DNS)

Linux for Engineering and IT applications

Domain Name Hierarchy Domans: root "." top level (TLD) organizational departmental ... TLDs: Country Code (us,uk,nl,de,...) Generic (com,edu,gov,org...)

Host lookup Recursive lookup Domain Name Hierarchy Main DNS Records DNS configuration option named.conf for Master DNS Slave and Caching DNS entries Direct Zone file A Reverse DNS Zone DNS control utility rndc DNS Query tools Practical Exercises Security and performance Take me to the Course Website