Raspberry apt-get update failes / Fehler

Beim Versuch die Pakete des Raspberry upzudaten erscheint der Fehler:
Unable to connect to mirrordirector.raspbian.org:http:

Ich konnte den Fehler mit Hilfe der Info lösen:
https://www.raspberrypi.org/forums/viewtopic.php?t=193262

I have this issue and it was due to the static DNS IP which was bad.
You can modify it in file dhcpcd.conf.

Configuration for static IP Address :
sudo nano /etc/dhcpcd.conf

interface eht0

static domain_name_servers= xxx.xxx.xxx.xxx //put her your internet provider DNS