-zone "dynamic.dehnerts.com" IN {
- type master;
- file "/etc/bind/dyn/dynamic.zone";
- update-policy { grant * selfsub * A TXT;};
- allow-transfer { "transfer-allowed"; };
- allow-query { any; };
+masters "secondary-ns" {
+ 18.25.129.162; // adehnert3.xvm
+ // Linode
+ // https://www.linode.com/docs/products/networking/dns-manager/guides/incoming-dns-zone-transfers/#operate-as-a-secondary-read-only-dns-service
+ 104.237.137.10;
+ 45.79.109.10;
+ 74.207.225.10;
+ 207.192.70.10;
+ 109.74.194.10;
+ 2600:3c00::a;
+ 2600:3c01::a;
+ 2600:3c02::a;
+ 2600:3c03::a;
+ 2a01:7e00::a;