| Property | Value |
| Name | Aon Corporation |
| Organization | Aon Corporation |
| dns_master@AON.COM | |
| Address | 123 N. Wacker Dr |
| Zip Code | 60606 |
| City | Chicago |
| State | IL |
| Country | US |
| Phone | +1.3127014027 |
| NameServer | argus.aon.com |
| Created | 2001-06-28 10:35:04 |
| Changed | 2015-06-25 05:36:55 |
| Expires | 2016-06-28 00:00:00 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2023-08-26 | 40.103.38.102 (ClassC) |
| 2024-11-25 | 52.98.166.135 (ClassC) |
| 2025-08-24 | 52.98.165.6 (ClassC) |
| 2026-02-28 | 52.98.168.7 (ClassC) |
| Date | Domain | IP |
| mail.aon.net | 2023-08-26 | 40.103.53.86 |
| eumail.aon.net | 2023-08-26 | 40.103.38.102 |
| autodiscover.aon.net | 2023-08-26 | 40.103.48.214 |