| Date | Domain | IP |
| my.rc1.trailhead.com | 2025-05-11 | 151.101.21.145 |
| mobile.api.trailhead.com | 2023-08-04 | 44.215.96.91 |
| profile.api.trailhead.com | 2024-07-22 | 52.71.27.44 |
| live.api.trailhead.com | 2025-01-29 | 151.101.22.133 |
| community.api.trailhead.com | 2023-08-04 | 54.165.240.206 |
| ui.trailhead.com | 2025-02-10 | 146.75.41.145 |
| trailmaker.direct.trailhead.com | 2025-03-01 | 3.94.225.28 |
| www.trailhead.com | 2025-06-25 | 146.75.41.145 |
| brenntag.my.trailhead.com | 2024-10-28 | 151.101.21.145 |
| webmaster-camp.my.trailhead.com | 2025-04-23 | 146.75.41.145 |
| r.my.trailhead.com | 2025-07-02 | 146.75.41.145 |