From cPanel Blog:
Today cPanel has released a new DNS Only product which is based on the core of cPanel/WHM 11.24.4. This updated version adds support for cPanel’s Service Manager, enhanced service monitoring, brute force protection, as well as many of the other new features and optimizations found in cPanel/WHM 11.24.4.
cPanel strongly recommends upgrading to this new version as soon as possible. Anyone who has a significant number of DNS updates each day will find improved performance and scalability with DNS Only version 11.24.4.