Why can't resolve a specific domain after manually add A record

Zyxel_Kevin
Posts: 920
Zyxel Employee





Symptom:
After added A record for “xxx.com”, a specific domain cannot be resolved.
For example:
You have record test.zyxel.com
Then you cannot resolve IP address if the record exist.
Root Cause:
If a record is added, it will create a zone called “zyxel.com”. If the CNAME match the zone, this issue will occur.
Workaround:
1)Please add the record manually if you don’t want to change CNAME in Public DNS domain name.
The issue is likely to occur frequently in self-owned DNS domain name or Split DNS domain name.
Reference:
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