| Property | Value |
| NameServer | PDNS86.ULTRADNS.COM |
| Created | 2005-02-14 08:45:27 |
| Changed | 2018-12-16 08:00:40 |
| Registrar | Network Solutions, L |
| Date | IP Address |
| 2020-08-29 | 99.86.57.40 (ClassC) |
| 2025-02-16 | 99.84.66.75 (ClassC) |
| 2025-03-23 | 99.84.66.99 (ClassC) |
| 2025-07-22 | 99.84.66.125 (ClassC) |
| 2025-11-26 | 3.169.173.6 (ClassC) |
| 2025-12-24 | 3.169.173.80 (ClassC) |
| 2026-02-03 | 3.169.173.26 (ClassC) |
| Date | Domain | IP |
| speechapi.burlingtonenglish.com | 2024-12-25 | 99.84.66.75 |
| cdn.burlingtonenglish.com | 2021-02-23 | 99.84.75.86 |
| pre.cdn.burlingtonenglish.com | 2025-02-19 | 3.163.189.78 |
| dev.cdn.burlingtonenglish.com | 2025-02-16 | 99.84.66.75 |
| app.burlingtonenglish.com | 2024-10-07 | 3.163.165.32 |
| ais.burlingtonenglish.com | 2024-09-10 | 99.84.66.29 |
| www.burlingtonenglish.com | 2024-07-02 | 18.161.6.39 |