Subdomain redirect to Heroku


I would redirect a subdomain to a heroku app (eg:

I tried remove A entry and add a CNAME entry with the url but doesn’t work.

Could someone help me? Any tip for this redirect works?


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Hi there!

Heroku has their own DNS management solution built into their product. You should be able to create a CNAME by running:

heroku domains:add

This should generate a DNS record like:

Record Name Target
CNAME blog

Check out Heroku’s own documentation on the process.