| Date | Description |
|---|---|
| 2020-05-05 | delete alias OSHA Safety Training & Certification |
| 2017-12-31 | delete source_ip 198.57.247.173 |
| 2017-12-31 | insert source_ip 192.254.159.59 |
| 2016-11-14 | delete index_pages_linkeddomain nsc.org |
| 2016-11-14 | delete index_pages_linkeddomain osha.gov |