Instead of having to manually configure all the records for a new domain, you can easily copy the full record set from an existing domain (configured in Constellix) to a new domain you have created.
1. Navigate to Managed DNS > Domains
2. Select Domain to Import to
Click the name of the domain you want to import the records into.
3. Click Import Records 
4. Select Domain to Import From
A. Select the Domain option under Import Records from
B. Select the domain name you want to import all records from
C. Click Import