| 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 |
| 2026-02-26 | 20.115.106.246 (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 | 2026-02-26 | 20.115.106.246 |
| sl.concentra.com | 2025-05-19 | 23.20.131.250 |
| www.concentra.com | 2025-05-23 | 104.17.255.171 |