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4.1. Common Record Types
This section covers some of the most common DNS record types.
• A record: This record maps an IP Address to a hostname.
www IN A 192.168.1.12
• CNAME record: Used to create an alias to an existing A record. You cannot create a CNAME record pointing to another CNAME record.
web IN CNAME www
• MX record: Used to define where email should be sent to. Must point to an A record, not a CNAME.
IN | MX 1 | mail.example.com. | |
IN | A | 192.168.1.13 |
• NS record: Used to define which servers serve copies of a zone. It must point to an A record, not a CNAME. This is where Primary and Secondary servers are defined.
IN | NS | ns.example.com. | |
IN | NS | ns2.example.com. | |
ns | IN | A | 192.168.1.10 |
ns2 | IN | A | 192.168.1.11 |