| Date | Description |
|---|---|
| 2018-03-02 | delete phone 703 455 7590 |
| 2018-03-02 | delete phone 703-455-9002 |
| 2018-03-02 | insert phone 703 820 5565 |
| 2016-04-06 | update robots_txt_status www.dhservicesinc.com: 404 => 200 |
| 2013-06-07 | update website_status FlippedRobotsTxt => OK |
| 2013-05-18 | update website_status Disallowed => FlippedRobotsTxt |
| 2013-04-28 | update website_status OK => Disallowed |