===== Dafür sorgen das Port 53 nicht mehr vom System benutzt wird =====

sudo systemctl disable systemd-resolved

sudo systemctl stop systemd-resolved

sudo unlink /etc/resolv.conf

echo "nameserver 8.8.8.8" | sudo tee /etc/resolv.conf
----
==== PowerDNS (Master) installieren =====

apt install pdns-server pdns-backend-mysql

mysql -u pdnsadmin -p pdns < /usr/share/pdns-backend-mysql/schema/schema.mysql.sql

edit /etc/powerdns/pdns.d/pdns.local.gmysql.conf

  launch+=gmysql
  gmysql-host=IP Mysqlserver
  gmysql-port=3306
  gmysql-dbname=pdns
  gmysql-user=pdnsadmin
  gmysql-password=password
  gmysql-dnssec=yes
  
chmod 640 /etc/powerdns/pdns.d/pdns.local.gmysql.conf

chown pdns:pdns /etc/powerdns/pdns.d/pdns.local.gmysql.conf

systemctl restart pdns

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==== PowerDNS-Admin installieren =====

https://github.com/PowerDNS-Admin/PowerDNS-Admin/blob/master/docs/wiki/install/Running-PowerDNS-Admin-on-Ubuntu-or-Debian.md