| 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 | 2009-06-22 16:06:04 |
| Changed | 2015-06-19 05:51:11 |
| Expires | 2016-06-22 00:00:00 |
| Registrar | CSC CORPORATE DOMAIN |
| Date | IP Address |
| 2014-01-17 | 208.111.168.6 (ClassC) |
| 2014-02-05 | 208.111.168.7 (ClassC) |
| 2014-02-20 | 68.142.118.254 (ClassC) |
| 2014-03-27 | 208.111.160.6 (ClassC) |
| 2014-05-06 | 68.142.118.4 (ClassC) |
| 2014-10-14 | 87.248.210.254 (ClassC) |
| 2014-10-14 | 87.248.210.253 (ClassC) |
| 2014-12-04 | 205.185.216.42 (ClassC) |
| 2014-12-06 | 205.185.216.10 (ClassC) |
| 2019-09-21 | 69.16.175.10 (ClassC) |
| 2019-09-21 | 69.16.175.42 (ClassC) |
| 2021-07-17 | 104.18.6.222 (ClassC) |
| 2021-07-17 | 104.18.7.222 (ClassC) |
| 2022-04-17 | 104.18.40.102 (ClassC) |
| 2022-04-17 | 172.64.147.154 (ClassC) |
| 2023-03-04 | 104.18.22.142 (ClassC) |
| 2023-03-04 | 104.18.23.142 (ClassC) |
| 2026-01-08 | 104.18.42.45 (ClassC) |
| 2026-01-25 | 172.64.145.211 (ClassC) |
| Date | Domain | IP |
| a.cmcdn.com | 2014-12-31 | 205.185.216.42 |
| origin-a.cmcdn.com | 2025-11-12 | 104.18.40.234 |
| yb.cmcdn.com | 2014-03-27 | 208.111.160.6 |
| c.cmcdn.com | 2015-02-14 | 69.16.175.10 |
| e.cmcdn.com | 2025-09-22 | 104.18.42.45 |
| s.cmcdn.com | 2014-12-05 | 205.185.216.42 |
| www.cmcdn.com | 2025-09-25 | 172.64.145.211 |
| y.cmcdn.com | 2015-01-06 | 205.185.216.42 |