| Property | Value |
| NameServer | ns1.future-s.com |
| Created | 2014-03-18 00:00:00 |
| Changed | 2015-03-31 16:11:00 |
| Date | IP Address |
| 2023-02-21 | 18.179.77.7 (ClassC) |
| 2025-01-26 | 3.113.225.8 (ClassC) |
| 2025-02-05 | 54.250.96.215 (ClassC) |
| 2025-03-21 | 57.180.145.228 (ClassC) |
| Date | Domain | IP |
| bk1.hatena.ne.jp | 2025-02-01 | 57.181.215.39 |
| mail2.hatena.ne.jp | 2013-05-17 | 59.106.108.93 |
| b.hatena.ne.jp | 2019-05-19 | 13.249.134.20 |