| Date | Description |
|---|---|
| 2015-01-05 | update robots_txt_status www.zippgolf.com: 200 => 404 |
| 2014-11-10 | update robots_txt_status www.zippgolf.com: 404 => 200 |
| 2014-09-03 | update robots_txt_status www.zippgolf.com: 200 => 404 |
| 2014-06-25 | update robots_txt_status www.zippgolf.com: 404 => 200 |