| Property | Value |
| NameServer | AUTH100.NS.UU.NET |
| Created | 1991-09-30 00:00:00 |
| Changed | 2012-09-20 00:00:00 |
| Expires | 2015-09-29 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2024-11-06 | 198.91.8.12 (ClassC) |
| Date | Domain |
| ch2mhill.com | 2015-12-20 |
| Date | Domain | IP |
| ajax11.ch2m.com | 2024-10-20 | 198.91.8.11 |
| NS2.CH2M.COM | 2024-10-26 | 198.91.13.3 |
| NS3.CH2M.COM | 2024-11-06 | 198.91.8.12 |
| zh.careers.ch2m.com | 2014-05-29 | 66.70.94.228 |