# Cannot rebuild app due to nameserver DNS issues "could not resolve host github.com"

**URL:** <https://meta.discourse.org/t/cannot-rebuild-app-due-to-nameserver-dns-issues-could-not-resolve-host-github-com/192272>\
**Category:** Product Support\
**Created:** [June 1, 2021, 11:44am UTC](https://meta.discourse.org/t/cannot-rebuild-app-due-to-nameserver-dns-issues-could-not-resolve-host-github-com/192272 "2021-06-01T11:44:27Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
**Post date:** [June 1, 2021, 11:04pm UTC](https://meta.discourse.org/t/cannot-rebuild-app-due-to-nameserver-dns-issues-could-not-resolve-host-github-com/192272/14 "2021-06-01T23:04:01Z")

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I don’t think Discourse-doctor will be any help here. It’s an OS issue.

Doing an update and reboot is a good idea.

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_[View the full topic](https://meta.discourse.org/t/cannot-rebuild-app-due-to-nameserver-dns-issues-could-not-resolve-host-github-com/192272)._