First NS server specified in DNS Template is not a primary name server in SOA record.
Changing of any NS record in DNS Template and then applying changes to the existing domains leads to changing primary name server in a domain's zone file.
This issue has been considered as software issue #PPPM-2226 and will be fixed in future product updates. Please use provided ID to track maintanance in Plesk release notes . Also subscribe to our knowledge base - each product update comes with corresponding KB article: http://kb.plesk.com/rss/index.html .
- Specify only one NS server.
- Manually edit SOA record in