Utopia Tech
▸ Engineering & Strategy Journal

Field notes from the edge.

What our engineers learned this week. Hands-on technical deep-dives, postmortems, and strategy frameworks.

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Iran's Internet is partially restored, Cloudflare Radar data shows
FeaturedAI
Engineering· 4 min read

Iran's Internet is partially restored, Cloudflare Radar data shows

Cloudflare Radar data confirms partial restoration of Iran's internet on May 26, 2026, after a nearly three-month nationwide shutdown that began February 28 following military strikes. Traffic has returned to only 40% of pre-shutdown levels, concentrated primarily in Tehran (91.6% of requests), while IPv6 connectivity remains completely disrupted despite IPv4 address space remaining stable through

UT
Utopia Tech·May 28, 2026
Code Orange: Fail Small is complete. The result is a stronger Cloudflare networkAI
Engineering

Code Orange: Fail Small is complete. The result is a stronger Cloudflare network

Cloudflare has completed 'Code Orange: Fail Small,' a major engineering initiative to prevent incidents like the November and December 2025 global outages. The project introduced progressive configuration rollouts with health monitoring, better failure modes that preserve service continuity, and improved incident management procedures to enhance network resilience for all customers.

UTUtopia Tech·4 min
When DNSSEC goes wrong: how we responded to the .de TLD outageAI
Engineering

When DNSSEC goes wrong: how we responded to the .de TLD outage

On May 5, 2026, DENIC's incorrect DNSSEC signatures for the .de TLD caused widespread DNS resolution failures, potentially affecting millions of German domains. Cloudflare's 1.1.1.1 resolver mitigated the impact through 'serve stale' functionality (RFC 8767) and Negative Trust Anchors (RFC 7646), continuing to serve cached records and temporarily disabling DNSSEC validation for .de domains until D

UTUtopia Tech·4 min
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