Representation choices, not DNS, are the real cost driver here.

Representation choices, not DNS, are the real cost driver here. Cloudflare cut per-entry footprint by over 50% and freed about 100 TB by redesigning cache-entry layout and removing redundant data rather than changing protocol behavior. If your agent platform is running out of memory, measure per-entry allocation count and bytes first; redesign the data shape until the per-entry overhead is tiny, because buying larger nodes or bigger Redis is the expensive shrug.