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Domain Center > 3 - DNS service > CNAME Records

3.2.6 CNAME Records

The CNAME Records are better known as Aliases. These records represent "alternative" names to existing Records (A or AAAA or CNAME). The CNAME Record is made-up by the association between a host name and the relevant pointing parameters, which will be in the form of a text string. It’s an indirect association as the host in CNAME will point to another name which, in turn, will correspond to an existing Record (A or AAAA or CNAME).

For the configuration of the CNAME Record you will need: Host, CNAME, TTL.

Host

The Host represents a lower level of the domain and will therefore look like this:
host.domainname.ext
This parameter is optional.

CNAME

The CNAME represents the address where you wish to point the host:
www.domainname.ext
This parameter is mandatory.

TTL

The TTL (Time-To-Live) represents the time, calculated in seconds, that is given to the cache DNS to store information of a host before interrogating the authoritative DNS again; or rather it’s the time required to spread on the web a change made to the DNS. Therefore a whole number must be indicated, for example:
86400
So you will have: 60 for 1 minute, 3600 for 1 hour, 86400 for 1 day, 604800 for 1 week, etc ...
This parameter is optional.



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