| Property | Value |
| Name | Domain Administrator |
| Organization | Oppenheimer & CO., INC. |
| domains@opco.com | |
| Address | 85 Broad St. |
| Zip Code | 10004 |
| City | New York |
| State | NY |
| Country | US |
| Phone | +1.2126688000 |
| Fax | +1.2126688000 |
| NameServer | ns-3.opco.com |
| Created | 1998-11-19 05:00:00 |
| Changed | 2018-09-30 00:31:41 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2013-11-11 | 137.66.32.52 (ClassC) |
| 2015-11-11 | 64.106.168.126 (ClassC) |
| 2016-02-25 | 50.28.32.201 (ClassC) |
| 2018-03-15 | 208.91.197.27 (ClassC) |
| 2018-05-07 | 208.88.204.225 (ClassC) |
| 2018-11-08 | 208.88.204.224 (ClassC) |
| 2019-12-13 | 67.221.166.57 (ClassC) |
| 2025-03-19 | 3.220.214.71 (ClassC) |
| 2025-05-09 | 3.219.78.25 (ClassC) |
| 2025-05-12 | 3.220.212.11 (ClassC) |
| 2026-01-20 | 172.66.0.119 (ClassC) |
| 2026-02-19 | 162.159.140.121 (ClassC) |
| Date | Domain | IP |
| www.oppenheimer.com | 2019-09-12 | 13.224.106.90 |