Here are common troubleshooting tips for adding custom domains to Shifter sites. If these tips aren’t helpful in solving your problem, please reach out to our support team and let us know!
Validation timed out
Domain verification will fail 72 hours past when requested, and the domain cannot be assigned to site.
Remove verification time out domain then re-register and verify it.
Also, check another document for troubleshooting on domain validations.
If “CNAME is used by other CDN”error occurred when you’re attaching domain name to your site
If you get the following error: ” used by other CDN”, it means you cannot assign that domain to your account because it’s currently used by another Amazon Web Services (AWS) account.
This could also include other products which are built on top of AWS.
- Detach that custom domain from another CloudFront Distribution you manage.
- Remove an alias and custom certificate from current or disabled CloudFront.
- Locate the previous used service associated with that custom domain and remove/delete it.
- Disable Webhosting on S3
Your AWS S3 may use it as a its bucket name with Website hosting enabled.
For more details, please check AWS’ official documents:
- Adding and Moving Alternate Domain Names (CNAMEs)
- How Do I Configure an S3 Bucket for Static Website Hosting?.
The most common cause for this error is trying to set up and visit a custom domain that is not attached to the site. To recap the domain, process you must validate the domain, attach the domain, and update DNS records to point to Shifter.
The solution to this is to attach the domain in the Shifter Dashboard.
To use a custom domain on Shifter first you will need to validate that domain. To do this, start by follow the steps in our How to guide on assigning a domain.
If you’ve followed those steps and are still having trouble validating that domain here are a few tips to check your setup.
Double check your CNAME record
If you’ve copied and pasted your validation CNAME from the Shifter Dashboard it may include a few extra characters or the domain itself.
The record does not need include the top level domain.
For example, here we are using the www version of your domain.
Heres another example using the non-www version of your domain.
Check if your record has propagated
Depending on your DNS provider or TTL you may need to wait for the new record to propagate. To check this process you can use a site like WhatMyDNS to check the status and validate your record.
The difference of attaching domain and the value of CNAME on your DNS causes certification mismatch error.
Expires on: 01 Mar 2019
Current date: 01 Jan 2018
Mismatch between domain name of you had attached to the site and inputed CNAME of DNS server. For example, in the following figures, domain is registered example.com for Shifter, but www.example.com is assigned for Shifter’s site on DNS.
When visitors access www.example.com, they’ll get
Custom domain on Shifter
Remove current domain from Shifter then assign your domain name (e.g. www.example.com) to it.
Check out and follow Step 2: Add Domain of Assigning a custom domain name on Shifter.
After that click [Submit] and verify your domain, then attach it.
You’ll get assigned domains, like below figure.
After attaching domain.
DNS settings will be