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Article Summary
| Title: | | The Difference Between CNAME and A |
| Description: | What is the difference between CNAME and A DNS records? |
| Key Words: | dns, cname, a, records, difference, vs, versus |
| Type: | FAQs |
| Category: | DNS FAQs |
| Last Updated: | 2004-01-08 04:53:06 |
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The Difference Between CNAME and A
What is the difference between CNAME and A DNS records?
An A DNS record directly equates a hostname to an IP address. Use an IP address as the destination field in the DNS Control Panel.
A CNAME DNS record does not directly resolve to an IP address. Instead, it refers to a relative or absolute hostname. A relative hostname is indicated by no period (.) at the end of the hostname. An absolute hostname is indicated by the trailing period (.).
When a DNS query is made for a CNAME, the hostname that is pointed to is used to obtain the actual IP address. The pointed-to hostname may itself be another CNAME, or it may directly provide the IP address using an A entry.
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