| Property | Value |
| Name | Makoto Sakai |
| Organization | MarkLines Co., Ltd. |
| system@marklines.com | |
| Zip Code | 107-0052 |
| City | Minato-ku |
| State | Tokyo |
| Country | JP |
| Phone | +81.357851380 |
| Fax | +81.357851370 |
| NameServer | dns02.netsurf.ad.jp |
| Created | 2000-12-01 00:00:00 |
| Changed | 2014-11-11 00:00:00 |
| Expires | 2022-12-01 00:00:00 |
| Registrar | GMO INTERNET, INC. D |
| Date | IP Address |
| 2015-08-27 | 104.67.73.46 (ClassC) |
| 2019-04-18 | 23.79.202.168 (ClassC) |
| 2019-10-14 | 184.30.186.96 (ClassC) |
| 2021-02-25 | 157.185.161.248 (ClassC) |
| 2022-03-30 | 13.224.226.95 (ClassC) |
| 2022-04-05 | 13.224.226.117 (ClassC) |
| 2022-04-20 | 13.33.46.66 (ClassC) |
| 2022-05-17 | 13.224.132.56 (ClassC) |
| 2023-08-28 | 65.8.228.14 (ClassC) |
| 2025-03-15 | 18.238.217.79 (ClassC) |
| 2025-09-15 | 18.161.6.26 (ClassC) |
| 2025-10-16 | 18.161.6.54 (ClassC) |
| 2026-02-07 | 18.161.6.78 (ClassC) |
| 2026-02-18 | 18.161.6.86 (ClassC) |
| Date | Domain | IP |
| lines.marklines.com | 2024-12-03 | 18.65.229.86 |
| expert.marklines.com | 2025-02-01 | 52.84.162.69 |
| www.marklines.com | 2021-02-25 | 157.185.161.248 |