| Date | Description |
|---|---|
| 2024-04-13 | update robots_txt_status www.zenon.tech: 404 => 200 |
| 2022-09-23 | delete address York Place, London, IG1 3AA |
| 2022-09-23 | update primary_contact York Place, London, IG1 3AA => null |
| 2022-05-20 | delete phone +(44) 07463398698 |
| 2019-05-14 | update website_status OK => TemplateWebsite |