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Editorial Team
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Asked: 2026-06-06T14:52:36+00:00

EDIT2: Waiting to see if my changes were successful. EDIT: I reinstalled everything using

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EDIT2: Waiting to see if my changes were successful.

EDIT: I reinstalled everything using the command line Zerigo install command (the original question was for manual setup). THe problem now: the custom domains I set up do not work properly. Visiting the custom domain simply returns an error in Chrome: “Oops! Google Chrome could not find http://www.myapp.com” even though the custom domain I added was “www.myapp.com?

I’ve been trying to set up a custom domain on my Cedar Heroku app by following instructions at https://devcenter.heroku.com/articles/custom-domains and https://devcenter.heroku.com/articles/zerigo_dns.

In the tutorial for setting up a domain on Zerigo, one of the instructions for adding a host is to add the IP address of the webserver. How do I go about finding this information? I’m having trouble finding any resource that helps me with this.

Am I supposed to be adding the IP address of my app at _.herokuapp.com? When I try to do a look up of this address, I never get a consistent address (probably because of Heroku’s many servers). Any help is appreciated.

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  1. Editorial Team

    Linking Zerigo and Heroku is a three step process.

    (1) Use the heroku addons:add zerigo_dns:basic command or add Zerio manually through the add-ons page on your Heroku app.

    (2) With your registrar or hosting provider to have the domain resolve properly. For Zerigo add all nameservers:

    a.ns.zerigo.net

    b.ns.zerigo.net

    e.ns.zerigo.net

    c.ns.zerigo.net

    d.ns.zerigo.net

    (3) And this is the step I think you may be missing. Log into Zerigo either through your Heroku configuration panel under “add-ons” or log into Zerigo directly. Select the DNS tab next to Account and Servers. On the left panel select the domain you have resolving to Zerigo: this domain will appear. Within this domain under “Nameservers” next to “Hosts” click “Add Snippet”. Add both the recommended snippets proxy.heroku.com and the redirect record that excludes the www.

    Wait the TTL period (usually 15 minutes) and your domains will work as expected.

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