| 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 |
| 2018-08-16 | 13.32.67.42 (ClassC) |
| 2018-10-03 | 52.84.68.28 (ClassC) |
| 2018-10-03 | 52.84.68.232 (ClassC) |
| 2018-10-03 | 52.84.68.239 (ClassC) |
| 2024-02-19 | 18.161.6.114 (ClassC) |
| 2024-07-29 | 18.161.6.34 (ClassC) |
| 2024-12-19 | 3.163.158.107 (ClassC) |
| 2025-04-16 | 18.161.6.54 (ClassC) |
| 2025-10-20 | 3.175.34.37 (ClassC) |
| 2026-01-03 | 3.175.34.13 (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 |