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Cloudflare freed up 100TB of RAM behind its 1.1.1.1 DNS without adding a single server

Cloudflare has freed up 100TB of RAM across its 1.1.1.1 DNS service without adding any new servers.

By · Published September 1, 2026  04:51 UTC · Updated September 1, 2026  11:40 UTC

7sources
7articles
5velocity
+0%since first seen
45d agofirst detected
Text:
🤖 AI Dossier

Evidence dossier

Intelligence passport

62/100 Strong
7distinct sources shown
40velocity measurements
1language editions checked
All brief claims passed the second-source checkbrief evidence status

Measured timeline

The obvious questions

What is the 1.1.1.1 DNS service?

1.1.1.1 is a public DNS resolver operated by Cloudflare. It aims to provide fast and secure DNS resolution.

How did Cloudflare free up 100TB of RAM?

Cloudflare optimized the DNS cache behind its 1.1.1.1 service by trimming cache entries by tens of bytes at a time.

Will this optimization affect users of the 1.1.1.1 DNS service?

Users may experience improved performance and reliability as a result of this optimization.

The story so far

⚡ Executive Intelligence Takeaways Corroborated across 7 independent newsrooms
  • Velocity & Diffusion: Coverage exploded across 7 distinct news outlets with 7 published articles, achieving a live velocity of 5.
  • Primary Driver: Cloudflare has freed up 100TB of RAM across its 1.1.1.1 DNS service without adding any new servers.
  • Predictive Outlook: Archynetys algorithmic models forecast this story will fade from trending status over the next 24 hours.
  • Source Integrity: Verified strictly against primary headline reporting under zero-hallucination protocols.

Cloudflare has optimized the DNS cache behind its 1.1.1.1 service, freeing up 100TB of RAM. The company achieved this by trimming cache entries by tens of bytes at a time.

This optimization is significant because the 1.1.1.1 service handles 250 billion cached DNS entries at any given time. Users of the 1.1.1.1 DNS service may experience improved performance and reliability.

Cloudflare's blog post details the technical changes made to achieve this optimization. The company has not yet announced any further plans related to this optimization.

Synthesized by Archynetys from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 43d ago.

Coverage (7)

The coverage curve

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Topics

Cloudflare DNS 1.1.1.1 RAM optimization technology networking

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