DNS A Records with 1and1 and Heroku
You can get away with picking up one of the IPs, however the 3 IPs exist for redundancy & load balancing. So you'll miss out on that. For example if the one IP you pick is down, you'll lose access.
BTW, I don't know why 1and1 only allows you to setup one A records. It should be possible to add multiple A records, maybe the option is hidden somewhere. You should try contacting them to resolve this.
If not, see if this setup works:
yourdomain.com CNAME foo.yourdomain.com.
foo.yourdomain.com. A 75.101.163.44
foo.yourdomain.com. A 75.101.145.87
foo.yourdomain.com. A 174.129.212.2
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stupakov
Updated on September 18, 2022Comments
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stupakov over 1 year
I have a domain name registered through 1and1.com that I'd like to point to my Heroku app (mydomain.com and www.mydomain.com).
Heroku's instructions (http://devcenter.heroku.com/articles/custom-domains) say:Root domains (mydomain.com) must use A records To setup your root domain, add separate A records for each of the following addresses using your DNS management tool: 75.101.163.44, 75.101.145.87, 174.129.212.2
However 1and1 only allows one A record IP.
Is it sufficient to pick one of Heroku's three IPs, or is there a different way that I should set this up?
Thanks
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stupakov over 12 yearsI picked one IP and it has been working well. But they definitely only allow on A record.
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Pierre-Adrien over 9 yearsUnfortunately, this doesn't seem to work anymore with the new Heroku routing requirements ? At least, I can't make it work anymore on a new application.