| Date | IP Address |
| 2020-03-20 | 52.72.166.44 (ClassC) |
| 2022-08-20 | 65.9.86.86 (ClassC) |
| 2024-07-03 | 99.84.66.100 (ClassC) |
| 2024-07-15 | 99.84.66.3 (ClassC) |
| 2024-07-25 | 3.163.165.51 (ClassC) |
| 2024-08-14 | 99.84.66.62 (ClassC) |
| 2024-09-05 | 99.84.66.35 (ClassC) |
| 2024-10-20 | 3.165.160.32 (ClassC) |
| 2024-11-22 | 44.219.55.47 (ClassC) |
| 2024-11-25 | 54.86.75.48 (ClassC) |
| 2024-12-24 | 35.171.172.70 (ClassC) |
| 2025-01-11 | 18.232.238.205 (ClassC) |
| 2025-01-26 | 34.206.188.45 (ClassC) |
| Date | Domain | IP |
| mailin1.ssa.gov | 2014-05-30 | 199.173.231.85 |
| dns1.ssa.gov | 2025-01-26 | 137.200.43.8 |
| mailin2.ssa.gov | 2014-05-29 | 199.173.231.84 |
| dns2.ssa.gov | 2014-11-27 | 199.173.231.83 |
| mailin3.ssa.gov | 2014-05-30 | 137.200.4.20 |
| mailin4.ssa.gov | 2014-05-22 | 137.200.4.21 |
| beta.ssa.gov | 2024-02-21 | 23.44.175.150 |
| oig.ssa.gov | 2014-03-05 | 107.22.178.157 |
| blog.ssa.gov | 2022-08-22 | 108.138.128.10 |
| search.ssa.gov | 2024-07-03 | 99.84.66.100 |
| www.open.ssa.gov | 2024-12-24 | 137.200.4.21 |
| faq.ssa.gov | 2023-08-19 | 20.140.90.161 |
| wwwtest.ssa.gov | 2024-11-24 | 104.70.127.18 |
| www.ssa.gov | 2023-08-04 | 23.53.34.10 |