#1-1-1-1 on Hacker News

2 stories tagged 1-1-1-1, newest first.

Saving 100 terabytes of memory by optimizing 1.1.1.1's DNS cache (blog.cloudflare.com)

857 points by TangerineDream 1 month ago | 250 comments

Cloudflare blog deep dive on how optimizing the 1.1.1.1 DNS resolver's cache data structures saved 100 terabytes of memory.

526 points by nomaxx117 1 year ago | 351 comments

Cloudflare blog post describing the incident affecting its 1.1.1.1 public DNS resolver on July 14, 2025.