- Plesk Onyx for Linux
- Plesk Onyx for Windows
Note: This article has the reference to the issue with the fix available:
- #PPPM-4778 "It was impossible to add a DNS record of the “TXT” type longer than 255 characters. Now, this limitation is increased to 512 characters."
Please consider updating your server:
Unable to add a DNS TXT record longer than 255 symbols. For example, a DKIM record.
This is Plesk bug with ID PPPM-4778 which was fixed in Plesk Onyx 17.5.3 . The limitation was increased to 512 characters.
Upgrade to the latest Plesk version.