| Property | Value |
| Name | Concentra Operating Corp |
| Organization | Concentra Operating Corp |
| DOMAINADMIN@CONCENTRA.COM | |
| Address | 5080 SPECTRUM DR STE 1200 W |
| Zip Code | 75001 |
| City | Addison |
| State | TX |
| Country | US |
| Phone | +1.8002523220 |
| Fax | +1.9723878092 |
| NameServer | f4.nstld.com |
| Created | 1995-02-21 05:00:00 |
| Changed | 2014-09-11 19:21:34 |
| Expires | 2022-02-22 00:00:00 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2024-01-05 | 52.44.117.186 (ClassC) |
| 2024-01-23 | 52.44.205.202 (ClassC) |
| 2024-07-10 | 52.86.217.171 (ClassC) |
| 2024-08-14 | 52.86.238.231 (ClassC) |
| 2024-08-14 | 54.162.101.228 (ClassC) |
| 2024-12-03 | 52.70.121.65 (ClassC) |
| 2025-01-17 | 35.172.15.218 (ClassC) |
| 2025-03-04 | 3.217.80.202 (ClassC) |
| 2025-03-10 | 52.44.54.246 (ClassC) |
| 2025-05-19 | 23.20.131.250 (ClassC) |
| 2025-05-30 | 44.218.222.1 (ClassC) |
| 2025-06-30 | 107.20.199.144 (ClassC) |
| 2025-06-30 | 3.213.76.168 (ClassC) |
| 2025-07-07 | 67.202.55.50 (ClassC) |
| 2025-08-07 | 3.226.153.145 (ClassC) |
| 2025-08-10 | 35.171.99.239 (ClassC) |
| 2025-08-30 | 3.209.29.192 (ClassC) |
| 2025-09-12 | 3.209.240.18 (ClassC) |
| 2025-10-10 | 44.194.154.227 (ClassC) |
| 2025-10-14 | 3.210.14.253 (ClassC) |
| 2025-10-30 | 3.209.44.147 (ClassC) |
| 2025-11-03 | 44.199.170.105 (ClassC) |
| 2025-11-10 | 35.169.255.73 (ClassC) |
| 2026-02-21 | 18.210.224.221 (ClassC) |
| Date | Domain | IP |
| cmca.concentra.com | 2025-08-07 | 20.115.106.246 |
| portal.concentra.com | 2025-05-11 | 104.18.7.150 |
| cmcaportal.concentra.com | 2025-07-22 | 20.115.106.246 |
| sl.concentra.com | 2025-05-19 | 23.20.131.250 |
| www.concentra.com | 2025-05-23 | 104.17.255.171 |