nostr:nprofile1qy08wumn8ghj7un9d3shjtnrdpexjumpw3kkzcmgd9hx2tnrdaksz9rhwden5te0wfjkccte9ejxzmt4wvhxjmcqyq3q2gkzcv4nhu5sq6e8tc3yk2zavja3naumm2gxnydukwrpuxxtgp3s89q DDSRs are moderated and lightweight as you want. But if you don't want to develop one or wait for use to develop one, you can use the Alienos:

https://github.com/dezh-tech/alienos

It has kind's black/white listing and its completely manageable and its super lightweight.