GCP DNS confusion with Google Domains

google-cloud-dnsgoogle-cloud-platformgoogle-domains

I am on Google Cloud Platform and using Google Domains with Google Mail.
I enabled Google Cloud DNS API, set up Networking – Cloud DNS – Record Sets.

I assume both of the Domain Name Servers should be the same, but when I change the values either from the Google Cloud Platform side or Google Domains, an error occurs.

When I change the Google Domain DNS from ns-cloud-c1.googledomains.com to ns-cloud-d1.googledomains.com, I receive an error message that states the following: "It looks like you've changed your name servers. All the settings for your domain (including website, email, synthetic records and resource records) are currently disabled. To enable these settings, you will need to restore the Google Domain Servers."

Does the DNS on the Google Cloud Platform and Google Domain/Mail have to be the same?
Which DNS should go where?

ns-cloud-c1.googledomains.com

ns-cloud-d1.googledomains.com

Do I need to add any resource records to Google Domains?

Thank you

Best Answer

Google Cloud DNS and Google Domains nameservers are not the same, see documentation: https://cloud.google.com/dns/quickstart#update_your_domain_name_servers

Even if your domain name is registered with Google Domains, you still need to update the name servers — although they look very similar, the name servers used by Google Domains are not the same as those used by Cloud DNS for your managed zone.

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Error : DNS_PROBE_FINISHED_NXDOMAIN Google Cloud Platform, WordPress site, Custom Domain

This is mostly like a DNS configuration error, also note your question is missing the information on DNS details. That is not a problem though, you can use dig +trace to find the name servers.

You domain is not resolving to an IP address, therefore there is no way for users to hit your wordpress site.

$dig example.cf +short
$dig www.example.cf +short

Both queries returned nothing. Tracing your dns returns Google's name servers, and directly querying those name servers returns nothing.

example.cf.      300     IN      NS      ns-cloud-c1.googledomains.com.
example.cf.      300     IN      NS      ns-cloud-c2.googledomains.com.
example.cf.      300     IN      NS      ns-cloud-c3.googledomains.com.
example.cf.      300     IN      NS      ns-cloud-c4.googledomains.com.

$dig @ns-cloud-c1.googledomains.com. example.cf. +short

Make sure to point your domain to the IP address of your web server. If you are using GCP cloud dns, use this link - https://cloud.google.com/dns/docs/quickstart - to setup dns.

How to map Google Domains domain name to Google Cloud Run project ? I can’t make ‘www’ work

Finally managed to make it work:

Made two custom mappings in Cloud Run (one for the example.com and one for the www.example.com).
In Google Domains, I added 3 custom resources records:

@ A 1h xxx.xxx.xx.xx

@ TXT 1h "verification_key" # I had to add this record to verify my www.example.com domain

* A 1h xxx.xxx.xx.xx

I think the key to make it work was to map the wildcard to the DNS A ip.

Best Answer

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Error : DNS_PROBE_FINISHED_NXDOMAIN Google Cloud Platform, WordPress site, Custom Domain

How to map Google Domains domain name to Google Cloud Run project ? I can’t make ‘www’ work

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