openstax.org
OpenStax
OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-05-15 |
| Last crawled | 2026-06-14 |
| IPv4 | 65.8.180.52 |
| Network | AS16509 Amazon.com, Inc. · United States |
| CNAME | openstax.org |
| Mail (MX) | aspmx.l.google.com.,alt2.aspmx.l.google.com.,alt1.aspmx.l.google.com.,aspmx3.googlemail.com.,aspmx4.googlemail.com.,aspmx5.googlemail.com.,aspmx2.googlemail.com. |
| Language | en-US |
| Server | AmazonS3 |