| Date | Description |
|---|---|
| 2021-04-28 | update robots_txt_status www.grindstonegraphicsinc.com: 404 => 200 |
| 2018-04-22 | delete source_ip 50.62.53.76 |
| 2018-04-22 | insert source_ip 107.180.54.253 |
| 2017-10-17 | delete source_ip 50.62.53.1 |
| 2017-10-17 | insert source_ip 50.62.53.76 |
| 2015-04-23 | delete source_ip 72.167.232.202 |
| 2015-04-23 | insert source_ip 50.62.53.1 |