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App Engine > Subdomain > Add A, AAAA and CNAME record

et flag
Robert Sinclair

I'm trying to add a subdomain subdomain.domain.com to App Engine.

It asks to add the following DNS records

enter image description here

But it's impossible to add a A record and a CNAME record with the same name subdomain.domain.com because it causes a conflict.

I saw in this thread that the CNAME name that Google asks to add doesn't seem to make sense Add A, AAAA, and CNAME record for google app engine project in google cloud platform

But in Google documentation that is what they're asking to do:

Record name:
In A or AAAA records, enter @
In CNAME records, enter a third-level domain name. For example, enter www to map the www.example.com subdomain.

How can I add the CNAME and A records that they ask if they both have the same name?

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vn flag
ceejayoz
The CNAME appears to be for `tagman.example.com`; the rest are for `example.com`. They don't conflict.
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et flag
Robert Sinclair
@ceejayoz thank you for the comment. I set the A and the AAAA records for the subdomain which i'm trying to add to App Engine. I though of setting A records on the naked domain instead, but I have my hosting IP in the A records and in their documentation they mention that I should use either their IPs for A records or my hosting IP and not mix them.
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Robert G avatar
cn flag
Robert G
You only need to add the `CNAME` if you only want to add the subdomain. No need to add `A` and `AAAA` records. You can verify by using the [dig](https://toolbox.googleapps.com/apps/dig/#A/) tool. The previous comment is correct.
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