[Answer]-Heroku deployment – issue with www

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It is not possible to set a CNAME for the root example.com.

Even if it were possible, you probably wouldn’t want to do it, since it would be saying “use the mail settings for myapp.heroku.com for example.com.

You would usually just set an A record for the root domain, but this is not possible because of heroku’s dyamic routing.

The heroku docs suggest that you set an ALIAS or ANAME record (these are custom record types, dependent on your DNS provider), or set up a subdomain redirection from example.com to www.example.com See the root domain section of the custom domains page on the heroku devcenter for more info.

👤Alasdair

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