| Date | IP Address |
| 2014-03-27 | 212.53.89.138 (ClassC) |
| 2018-08-24 | 185.26.230.129 (ClassC) |
| 2019-02-18 | 165.160.13.20 (ClassC) |
| 2019-02-18 | 165.160.15.20 (ClassC) |
| 2019-10-10 | 216.87.148.114 (ClassC) |
| 2024-02-22 | 204.74.99.103 (ClassC) |
| 2024-11-06 | 52.232.56.79 (ClassC) |
| Date | Domain | IP |
| webmail.dongenergy.dk | 2024-10-11 | 13.107.6.156 |
| de-guest.dongenergy.dk | 2014-11-13 | 1.1.1.1 |
| www.dongenergy.dk | 2024-10-10 | 52.232.56.79 |