| Date | IP Address |
| 2015-06-18 | 54.231.252.204 (ClassC) |
| 2015-07-08 | 54.231.252.128 (ClassC) |
| 2015-07-20 | 54.231.252.196 (ClassC) |
| 2015-08-04 | 54.231.252.148 (ClassC) |
| 2015-08-23 | 54.231.252.208 (ClassC) |
| 2015-08-31 | 54.231.252.144 (ClassC) |
| 2016-08-14 | 54.231.251.11 (ClassC) |
| 2016-10-16 | 54.231.251.7 (ClassC) |
| 2024-09-01 | 103.197.63.186 (ClassC) |
| 2026-02-10 | 103.250.241.198 (ClassC) |
| Date | Domain | IP |
| mail.nzcer.org.nz | 2024-08-12 | 173.194.79.26 |
| assessmentservices.nzcer.org.nz | 2026-01-17 | 172.66.0.145 |
| assessforadults.nzcer.org.nz | 2026-01-17 | 172.66.0.145 |
| www.nzcer.org.nz | 2026-01-19 | 103.250.241.198 |