Primary vs. Secondary DNS

Summary: The video discusses the differences between Primary and Secondary DNS, highlighting the roles each type of server plays in network management and data replication.

Keypoints:

• Primary DNS is where changes to the DNS zone are made by an administrator.
• Secondary DNS servers replicate changes from the Primary DNS server.
• Secondary servers can automatically replicate changes using AXFR or IXFR protocols.
• Utilizing both Primary and Secondary DNS enhances service availability for internet users.