| Property | Value |
| domainadmin@guthy-renker.com | |
| NameServer | PDNS214.ULTRADNS.COM |
| Created | 1998-12-03 00:00:00 |
| Changed | 2015-03-11 00:00:00 |
| Expires | 2019-12-02 00:00:00 |
| Registrar | MARKMONITOR INC. |
| Date | IP Address |
| 2025-08-06 | 63.140.39.68 (ClassC) |
| 2025-08-06 | 63.140.38.248 (ClassC) |
| 2025-09-05 | 63.140.36.86 (ClassC) |
| 2025-10-09 | 63.140.36.131 (ClassC) |
| 2025-11-19 | 63.140.36.210 (ClassC) |
| Date | Domain | IP |
| mathtag.proactiv.com | 2025-04-13 | 216.200.232.249 |
| mail.proactiv.com | 2024-10-11 | 52.96.121.50 |
| email.proactiv.com | 2025-11-05 | 208.70.143.2 |
| analytics.proactiv.com | 2025-09-05 | 63.140.36.86 |
| images.proactiv.com | 2024-06-30 | 23.41.4.85 |
| www.proactiv.com | 2023-10-18 | 23.54.19.128 |
| www.pay.proactiv.com | 2025-08-02 | 172.64.146.81 |