Yes. The CDS record is required to initiate a configuration update, while the CDNSKEY record is optional. If you publish the latter, its content must be consistent with the CDS record, or the update will be canceled.
Updated 31 Oct, 2021
The Swedish Internet Foundation is an independent, business-driven and public-benefit organization. We work for an internet that contributes positively to people and society. We are responsible for the internet's Swedish top-level domain .se and manages the operation and administration of the top-level domain .nu. The revenue from our business finances a number of initiatives in order to enable people to use the internet in the best way, and to stimulate the sharing of knowledge and innovation with a focus on the internet.