helloderek.substack.com
helloderek.substack.com is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2025-09-10 and last crawled it on 2026-07-03. It resolves to 172.64.150.56. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
System Design Insights with Derek | Substack
Explore practical insights and deep dives into system design and software engineering principles. Click to read System Design Insights with Derek, by Derek Nguyen, a Substack publication. Launched 3 years ago.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2025-09-10 |
| Last crawled | 2026-07-03 |
| IPv4 | 172.64.150.56 |
| IPv6 | 2606:4700:4400::ac40:9638 |
| Network | AS13335 Cloudflare, Inc. · California |
| CNAME | helloderek.substack.com |
| Language | en |
| Server | cloudflare |