- Plesk Onyx for Windows
- BIND installed on the Windows server;
- The following warning appears using EDNS Compliance Tester https://ednscomp.isc.org:
CONFIG_TEXT: Warning: docookie=cookie-mismatch
This is Plesk bug with ID #PPPM-10030 which will be fixed in future Plesk updates. It was fixed since Plesk Onyx 17.8.
For Plesk Onyx 17.5 or older, there is no solution for this issue in Plesk.
As a workaround, it is possible to use Microsoft DNS server instead.