pd4cs.org
pd4cs.org is a live English-language website hosted on Oracle Corporation (AS31898) in the United States, served by Nginx. cl0q first saw it on 2026-07-25 and last crawled it on 2026-07-30. It resolves to 162.241.216.23 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:
PD4CS « Professional Development for CS Principles Teaching - Python programming, common student misconceptions, student projects
The goal of PD4CS is to provide an evidence-based professional development (PD) program to improve teachers' knowledge to teach Computer Science (CS) Principles course. The presented materials include Python-based teaching materials, common student misconceptions in Python programming, and student projects.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-07-25 |
| Last crawled | 2026-07-30 |
| IPv4 | 162.241.216.23 |
| Network | AS31898 Oracle Corporation · Arizona |
| Mail (MX) | mail.pd4cs.org |
| Language | en-US |
| Server | nginx/1.29.8 |