| Date | IP Address |
| 2016-10-19 | 23.63.227.186 (ClassC) |
| 2017-01-14 | 204.237.142.163 (ClassC) |
| 2018-05-05 | 209.107.208.81 (ClassC) |
| 2018-05-05 | 209.133.57.107 (ClassC) |
| 2018-05-06 | 63.227.135.11 (ClassC) |
| 2018-05-06 | 63.227.135.42 (ClassC) |
| 2020-03-23 | 184.25.56.107 (ClassC) |
| 2020-03-23 | 23.10.240.49 (ClassC) |
| 2020-04-25 | 23.199.71.107 (ClassC) |
| 2020-04-26 | 172.232.13.153 (ClassC) |
| 2020-04-28 | 184.25.56.147 (ClassC) |
| 2020-06-16 | 23.63.227.216 (ClassC) |
| 2020-06-17 | 23.55.220.17 (ClassC) |
| 2024-07-24 | 13.111.151.188 (ClassC) |
| 2024-10-26 | 23.213.175.162 (ClassC) |
| 2024-11-10 | 23.219.78.206 (ClassC) |
| 2025-04-12 | 23.216.145.149 (ClassC) |
| 2025-09-10 | 23.46.228.42 (ClassC) |
| 2025-10-14 | 23.46.228.4 (ClassC) |
| 2025-11-06 | 23.46.228.9 (ClassC) |
| 2025-11-16 | 23.46.228.100 (ClassC) |
| 2025-11-19 | 23.32.75.162 (ClassC) |
| Date | Domain | IP |
| image.dexcom-email.com | 2024-08-11 | 23.38.232.61 |
| click.dexcom-email.com | 2024-07-24 | 13.111.151.188 |