# Problem opening application on iPhone

**URL:** <https://community.glideapps.com/t/problem-opening-application-on-iphone/58815>\
**Category:** Ask for Help\
**Created:** [March 6, 2023, 11:02am UTC](https://community.glideapps.com/t/problem-opening-application-on-iphone/58815 "2023-03-06T11:02:17Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\
**Post date:** [March 6, 2023, 4:26pm UTC](https://community.glideapps.com/t/problem-opening-application-on-iphone/58815/5 "2023-03-06T16:26:14Z")

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See below:

> [@"Not Found" page](https://community.glideapps.com/t/not-found-page/58352/5):
>
> Glide has recently begun auditing custom hostnames. For the vast majority of Apps with custom hostnames this process will be invisible. However, we are finding some Apps with custom hostnames which are improperly configured, may not be working. @qb15 In this specific case you need to remove the AAAA records, and delete one of the A records. The remaining A record needs to change to the value you see on Step 2.

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_[View the full topic](https://community.glideapps.com/t/problem-opening-application-on-iphone/58815)._