| Property | Value |
| privacy@1and1.com | |
| NameServer | NS2.DNSIMPLE.COM |
| Created | 2009-11-07 00:00:00 |
| Changed | 2016-02-10 00:00:00 |
| Expires | 2016-11-07 00:00:00 |
| Registrar | 1&1 INTERNET SE |
| Date | IP Address |
| 2020-01-07 | 52.44.54.246 (ClassC) |
| 2025-07-04 | 54.84.60.27 (ClassC) |
| 2026-01-08 | 23.22.10.215 (ClassC) |
| Date | Domain | IP |
| cdn.commoncurriculum.com | 2024-09-15 | 99.84.66.109 |
| v4-cdn.commoncurriculum.com | 2024-02-19 | 18.161.6.114 |
| cloudapp.commoncurriculum.com | 2025-07-04 | 54.84.60.27 |
| cc-frontend-assets.commoncurriculum.com | 2024-02-21 | 18.161.6.58 |
| www.commoncurriculum.com | 2015-02-28 | 54.225.206.186 |