slys.dev

slys.dev is a live English-language website hosted on Toya sp.z.o.o (AS16342) in Poland, served by Cloudflare. cl0q first saw it on 2026-07-31 and last crawled it on 2026-08-05. It resolves to 77.237.25.162 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.

How the site describes itself:

slys.dev | Substack

For depth-first engineers - the ones who go down, not around. AI is moving the easy work down the stack; the judgment above it stays yours. Build the three literacies it can't replace: Coding, Systems, and AI Literacy, from first principles. Click to read slys.dev, a Substack publication with hundreds of subscribers.