grack.com
grack.com is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2025-05-07 and last crawled it on 2026-06-29. It resolves to 104.21.112.1 and has mail (MX) records set up. We've seen one of its subdomains, listed below. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Home
Matt Mastracci — software developer. Blog posts on systems, programming, and tech experiments, plus open-source code projects and writing.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2025-05-07 |
| Last crawled | 2026-06-29 |
| IPv4 | 104.21.112.1 |
| IPv6 | 2606:4700:3030::6815:3001 |
| Network | AS13335 Cloudflare, Inc. · California |
| CNAME | grack.com |
| Mail (MX) | mx00.1and1.com.grack.com.,mx01.1and1.com.grack.com. |
| Language | en |
| Server | cloudflare |