petergray.substack.com
petergray.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 2026-06-14 and last crawled it on 2026-10-11. It resolves to 104.18.37.200 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:
Play Makes Us Human | Peter Gray | Substack
Letters about the roles of play in human evolution, child development, culture, and daily living. Click to read Play Makes Us Human, by Peter Gray, a Substack publication with tens of thousands of subscribers.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-06-14 |
| Last crawled | 2026-10-11 |
| IPv4 | 104.18.37.200 |
| IPv6 | 2606:4700:4401::ac40:9638 |
| Network | AS13335 Cloudflare, Inc. · California |
| Mail (MX) | mxa.mailgun.org,mxb.mailgun.org |
| Language | en |
| Server | cloudflare |