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I currently have a domain at OVH (let's call it mysite.com) which is setup by OVH with a bunch of different CNAME for different subdomains like :

smtp.mysite.com   CNAME   mysite.com
imap.mysite.com   CNAME   mysite.com
ftp.mysite.com    CNAME   mysite.com
...

I have deleted all this and would like only root and www ro redirect to my Heroku application.

I have then added both domains to my heroku app and got following redirections by Heroku :

www.mysite.com  CNAME            www.mysite.com.herokudns.com
mysite.com      ALIAS or ANAME   mysite.com.herokudns.com

The first one works well. For the second I have deleted the A reference to OVH server IP and tried to populate a CNAME to mysite.com.herokudns.com as indicated (no ANAME or ALIAS types available at OVH though) . But OVH does not allow this (as per RFC also).

Is there a solution to have root name redirected to Heroku anyway ?

(currently root address redirects to OVH mailer application !!?? which I am not sure where it comes from as all OVH CNAME and A types have been deleted. Seems it is picking up the MX record by default ...)

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    ALIAS and ANAME are not real DNS records. See devcenter.heroku.com/articles/apex-domains – Michael Hampton Feb 25 '18 at 19:05
  • Thanks Michael. I deleted my other comments as I misunderstood the whole thing. But it seems that root domain configuration is domain server dependent devcenter.heroku.com/articles/… I have raised a ticket to OVH to know if they allowed this. – Maxence Feb 25 '18 at 23:17
  • I don't think you can do that on OVH. But you can always point the naked domain A record at wwwizer or something. – Michael Hampton Feb 25 '18 at 23:39
  • I do have SSL through Heroku (paid dyno) but will look into wwwizer. Other thing, I could load a simple HTML file through FTP at root and redirect to the www.mysite.com . Not sure if this is a clever tweak. Also I am eager to hear from OVH as so many domain name providers offer the Cname at root, why would they not either... – Maxence Feb 25 '18 at 23:44

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