| Date | Description |
|---|---|
| 2020-04-16 | update robots_txt_status www.omitanko.co.jp: 404 => 200 |
| 2018-04-18 | delete president Koichi Sakaguchi |
| 2018-04-18 | insert president Hiroyuki Sakamoto |
| 2018-04-18 | delete person Koichi Sakaguchi |
| 2018-04-18 | insert person Hiroyuki Sakamoto |
| 2013-07-10 | delete source_ip 210.233.71.118 |
| 2013-07-10 | insert source_ip 210.233.71.125 |