Pascal Vizeli d0db466e67
Use DoT as fallback (#1597)
* Use DoT as fallback / add cache

* Stage

* merge

* fix lint

* Fallback server

* use fallback

* add nxdomain

* Address comments
2020-03-27 00:38:54 +01:00
..
2020-03-27 00:38:54 +01:00