| Date | Description |
|---|---|
| 2021-02-01 | update website_status DNSError => FlippedRobots |
| 2020-10-13 | update website_status DomainNotFound => DNSError |
| 2020-08-01 | update website_status OK => DomainNotFound |
| 2019-08-26 | update website_status FlippedRobots => FailedRobots |
| 2019-07-20 | update website_status OK => FlippedRobots |