| Date | IPv4 | IPv6 | MX and NS |
|---|---|---|---|
| Latest | duolingo.gcs-web.com. | ||
| 2024-12-27 07:07:15 | duolingo.gcs-web.com. | ||
| 2024-09-25 05:58:41 | duolingo.gcs-web.com. | ||
| 2024-04-10 05:04:02 | duolingo.gcs-web.com. | ||
| 2024-02-14 08:13:33 | duolingo.gcs-web.com. | ||
| 2023-10-27 20:01:11 | duolingo.gcs-web.com. | ||
| 2023-10-08 07:03:01 | duolingo.gcs-web.com. | ||
| 2023-08-12 16:22:39 | duolingo.gcs-web.com. | ||
| 2023-08-06 18:05:31 | duolingo.gcs-web.com. | ||
| 2023-07-02 03:40:30 | duolingo.gcs-web.com. | ||
| 2022-06-13 17:29:14 | duolingo.gcs-web.com. | ||
| 2022-03-23 04:02:00 | duolingo.gcs-web.com. | ||
| 2021-11-29 04:20:10 | duolingo.gcs-web.com. |