Domain Arrivals
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Featured in Domain Arrivals · 2026-08-17

SSLScan: a live inventory for the certificates you forgot

sslscan.net ↗ · Developer Corner · score 81.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

SSLScan inventories TLS certificates across public hosts, internal servers, appliances, and subdomains, then flags expiry, configuration, chain, key-strength, and hostname problems.

Why it surfaced

The product has a concrete operational premise: certificate lifetimes are shrinking, while undocumented internal systems keep accumulating. Its unusually specific workflow covers Certificate Transparency discovery, network-range sweeps, browser-side private-key processing, and output for systems including nginx, IIS, Tomcat, F5, Kubernetes, and ACM.

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Monica’s Calendar of Flowers

August 17’s newborn domains include a calendar that spreads flowers for Monica across the months after JP’s death, 17 years of a master mariner’s logbooks, the seconds between a modem connection and the first web request, and an Indian bus cabin carrying 632 songs.

This is one of 1,000 discoveries in the 2026-08-17 Domain Arrivals issue.

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More from Developer Corner

Three more arrivals

Winsock: The Two Seconds After the Modem Stopped Screeching winsock.dev

An interactive technical history of what happened between dial-up modem connection and the first web request.

 Metin — Brain Organoid Electrophysiology metin.science

A research site about measuring and interpreting the electrical activity of lab-grown brain organoids.

 参伍引擎：让智能体在可重演的历史里行动 canwu.org

参伍引擎是一个用 Rust 构建的开源、确定性历史模拟内核，为游戏、研究工具和智能体提供语义 API。