| 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 |
| 2015-02-28 | 54.225.206.186 (ClassC) |
| 2015-07-31 | 54.243.45.241 (ClassC) |
| 2016-07-04 | 50.16.238.23 (ClassC) |
| 2021-11-14 | 23.23.81.86 (ClassC) |
| 2022-03-22 | 52.7.224.124 (ClassC) |
| 2022-04-12 | 34.196.41.13 (ClassC) |
| 2022-08-14 | 54.165.244.131 (ClassC) |
| 2022-08-20 | 44.207.208.221 (ClassC) |
| 2022-11-07 | 34.193.229.92 (ClassC) |
| 2025-01-20 | 44.217.228.197 (ClassC) |
| 2025-03-12 | 52.72.183.245 (ClassC) |
| 2025-04-17 | 3.229.231.239 (ClassC) |
| 2025-04-30 | 54.225.216.120 (ClassC) |
| 2025-06-20 | 100.27.124.119 (ClassC) |
| 2025-07-01 | 13.216.180.6 (ClassC) |
| 2025-07-22 | 54.91.107.142 (ClassC) |
| 2025-08-23 | 50.17.63.92 (ClassC) |
| 2025-09-12 | 3.211.89.2 (ClassC) |
| 2025-10-13 | 54.196.104.147 (ClassC) |
| 2026-01-06 | 174.129.238.207 (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 |