| Date | Description |
|---|---|
| 2020-04-24 | update robots_txt_status www.legacysolutions.net: 0 => 404 |
| 2020-04-24 | update robots_txt_status www.sonic.net: 0 => 404 |
| 2020-03-25 | update robots_txt_status www.legacysolutions.net: 404 => 0 |
| 2020-03-25 | update robots_txt_status www.sonic.net: 404 => 0 |