Symptoms
You have created subdomain for existing domain. When you tried to switch off DNS service for created subdomain, the following message was displayed:
The DNS records of this subdomain are stored in the parent DNS zone. You can modify the parent zone here or create a separate zone for the subdomain.
When you have checked DNS records of main domain you found that DNS records for subdomain was not created.
Cause
The issue is considered to be a software issue #TP-144515 and will be fixed in future product updates.
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