| Time (Eastern US) | Author | Comment (most recent last) | Actions |
| 2015-09-30 15:40:19 | charlottenc | Station Homepage Title changed from inicio - Dallas - Inicio - Dallas - Univision to Dallas, TX - Ciudad Local, Tiempo, Trafico, Noticias y Entretenimiento - Dallas - Univision | Fix Delete Reply to |
| 2015-09-30 15:41:41 | charlottenc | Station Homepage Title changed from inicio - Dallas - Inicio - Dallas - Univision to Dallas, TX - Ciudad Local, Tiempo, Trafico, Noticias y Entretenimiento - Dallas - Univision | Fix Delete Reply to |
| 2015-09-30 15:45:19 | charlottenc | Station Web Site Reviewed | Fix Delete Reply to |
| 2015-11-21 15:16:45 | editor | Updated Station URL to http://maximadallas.univision.com/ | Fix Delete Reply to |
| 2015-11-21 15:17:24 | editor | Updated Station URL to http://991dallas.univision.com/ | Fix Delete Reply to |
| 2015-11-21 15:18:01 | editor | Updated Station URL to http://www.univision.com/dallas/kuvn | Fix Delete Reply to |
| 2015-12-20 08:09:28 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2016-02-21 04:14:25 | editor | Updated Station URL to http://www.univision.com/dallas/kfzo | Fix Delete Reply to |
| 2016-02-21 04:14:51 | editor | Marked as not Under Construction | Fix Delete Reply to |
| 2016-05-08 07:18:02 | editor | Station Homepage Title changed from Inicio - 107.9 FM Dallas - Univision to 107.9 FM Dallas, TX - Radio Estacion KFZO - Univision | Fix Delete Reply to |
| 2016-05-13 11:03:35 | editor | Updated Station Description to 107.9 Jefa | Fix Delete Reply to |
| 2016-11-08 10:59:47 | JayMar2 | Station Homepage Title changed from 107.9 FM Dallas, TX - Radio Estacion KFZO - Univision to La Jefa 99.1FM Dallas - Univision | Fix Delete Reply to |
| 2016-12-11 04:46:15 | charlottenc | Reset Streaming URL | Fix Delete Reply to |
| 2016-12-11 04:46:23 | charlottenc | Changed streaming URL to http://univision.com/dallas/kfzo | Fix Delete Reply to |
| 2017-03-02 00:00:00 | FCC App# 1752726 | FCC received request to transfer license from KHCK-FM LICENSE CORP. to UNIVISION RADIO SAN FRANCISCO, INC. | Fix Delete Reply to |
| 2017-03-02 00:00:00 | FCC App# 1751332 | FCC received request to transfer license from KHCK-FM LICENSE CORP. to UNIVISION RADIO SAN FRANCISCO, INC. | Fix Delete Reply to |
| 2017-03-13 00:00:00 | FCC App# 1752726 | FCC approved transfer of license from KHCK-FM LICENSE CORP. to UNIVISION RADIO SAN FRANCISCO, INC. | Fix Delete Reply to |
| 2017-04-17 15:35:01 | editor | Updated Station Description to La Jefa | Fix Delete Reply to |
| 2017-06-07 00:00:00 | FCC App# 1758461 | FCC was notified license transfer is complete | Fix Delete Reply to |
| 2017-06-08 06:42:25 | | Licensee changed from KHCK-FM LICENSE CORP. to UNIVISION RADIO SAN FRANCISCO, INC. | Fix Delete Reply to |
| 2017-06-08 06:42:25 | | Licensee changed from KHCK-FM LICENSE CORP. to UNIVISION RADIO SAN FRANCISCO, INC. | Fix Delete Reply to |
| 2018-04-15 23:34:17 | editor | Station Homepage Title changed from KFZO FM/HD to Zona MX 99.1FM Dallas - Univision | Fix Delete Reply to |
| 2018-04-15 23:34:17 | editor | Automated Update of homepage URL from http://www.univision.com/dallas/kfzo to https://www.univision.com/dallas/kfzo | Fix Delete Reply to |
| 2018-12-27 11:48:32 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2019-07-08 23:54:02 | editor | Station Homepage Title changed from Zona MX 99.1FM Dallas - Univision to Zona MX 99.1FM Dallas, TX - Radio Estacion KFZO | Univision | Fix Delete Reply to |
| 2019-07-09 01:20:01 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2020-10-07 02:44:10 | editor | Station Homepage Title changed from Zona MX 99.1FM Dallas, TX - Radio Estacion KFZO | Univision to KFZO FM/HD | Fix Delete Reply to |
| 2020-10-08 02:37:59 | editor | Updated Station Description to ZonaMX | Fix Delete Reply to |
| 2020-10-08 02:45:17 | editor | Station Web Site Reviewed | Fix Delete Reply to |
| 2024-03-21 21:36:35 | editor | Station Web Site Reviewed | Fix Delete Reply to |
