| Date | Description |
|---|---|
| 2025-05-10 | update robots_txt_status nhc-llc.net: 404 => 200 |
| 2025-05-10 | update robots_txt_status www.nhc-llc.net: 404 => 200 |
| 2025-05-10 | update website_status FlippedRobots => OK |
| 2025-03-20 | update website_status OK => FlippedRobots |
| 2024-11-19 | update robots_txt_status nhc-llc.net: 200 => 404 |
| 2024-11-19 | update robots_txt_status www.nhc-llc.net: 200 => 404 |
| 2020-03-07 | update website_status DomainNotFound => OK |