| Property | Value |
| Name | Classmates .com |
| Organization | Classmates.com |
| domains@noc.untd.com | |
| Address | 333 Elliott Ave. W., Ste. 500 |
| Zip Code | 98119 |
| City | Seattle |
| State | WA |
| Country | US |
| Phone | +1.2063015700 |
| Fax | +1.2063015795 |
| NameServer | ns02.classmates.com |
| Created | 1994-11-16 05:00:00 |
| Changed | 2013-12-17 20:34:27 |
| Expires | 2023-11-15 00:00:00 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2019-11-22 | 208.84.41.121 (ClassC) |
| 2021-11-26 | 104.18.27.127 (ClassC) |
| 2021-11-26 | 104.18.26.127 (ClassC) |
| 2022-04-14 | 104.18.39.37 (ClassC) |
| 2022-04-14 | 172.64.148.219 (ClassC) |
| 2023-02-20 | 104.18.24.23 (ClassC) |
| 2023-02-20 | 104.18.25.23 (ClassC) |
| 2025-11-01 | 104.18.40.234 (ClassC) |
| 2025-12-04 | 172.64.147.22 (ClassC) |
| Date | Domain | IP |
| ns01.classmates.com | 2025-12-04 | 208.84.40.142 |
| mx.iad1.classmates.com | 2013-04-18 | 208.84.41.158 |
| ns02.classmates.com | 2025-12-04 | 208.84.40.141 |
| ns03.classmates.com | 2025-12-04 | 208.84.40.142 |
| secure.classmates.com | 2023-02-20 | 104.18.24.23 |
| yearbook.classmates.com | 2025-01-15 | 204.246.191.19 |
| mail-filter.corp.classmates.com | 2014-04-25 | 208.84.47.120 |
| graphics.classmates.com | 2014-12-31 | 205.185.216.42 |
| images.classmates.com | 2025-11-01 | 172.64.147.22 |
| banners.classmates.com | 2019-12-12 | 208.84.41.110 |
| t.classmates.com | 2025-06-21 | 34.232.223.20 |
| content.classmates.com | 2014-12-31 | 205.185.216.42 |
| www.classmates.com | 2025-11-03 | 104.18.40.234 |