- A DNS (Domain Name System) server, also known as a name server, is a web server that is specifically designed to connect with a massive database that stores all information about domain names and their corresponding DNS records.
- These records include the registrant of the domain, the web host, active name servers and other information.
Primary DNS
|
Secondary DNS
|
|
| Usage | Authoritative server | Backup DNS server |
| Also Known As | Master server | Slave server |
| Accessing Point | Directly obtain data from local files | Recieves all zone files from primary server and makes a copy |
| Capacity | One Zone | 255+ Zone |
| Tasking | Modifications or additions to Resource Records in given zone |
Tolerance,traffic reduction,Load balancing
|
| Acts as | Main master server for all tasks | Backup server for primary server when later fails |
| Works as |
IP addresses are
non-routable
|
IP addresses are routable
|

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