: Forward a 'non-existant' subdomain to a 'physical' subdomain How can I forward a 'non-existant' subdomain to a 'physical' subdomain? I.e.: api.website.com -> api.company.com Where the first is

@Ann8826881

It appears that you want to create a subdomain to a root IP address, and then forward a subdomain from a different domain to this subdomain.

First you would create an A record for the api.company.com subdomain as demonstrated here under "Example 1" (ignoring the FTP part; also note that www is considered a subdomain as well, just like api).

So in the DNS tables for company.com you'd create an A record for:

api.company.com A 1.2.3.4


This establishes an alias record for host api.company.com at IP address 1.2.3.4

Next you'd create a CNAME to this external host as demonstrated here under "Example 3". So in the DNS tables for website.com you'd create a CNAME record for:

api CNAME api.company.com.


This points api.website.com -> api.company.com

Then you'd need to wait 24-48 hours for these DNS changes to propagate to DNS servers throughout the Internet in order for these subdomains to resolve properly, so don't make any other changes during that time.

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