update requirements.yml and ansible.config

start home.xai-corp.net and home02.xai-corp.net playbooks

roles/ns.xai-corp.net/templates/named.conf.default-zones.j2

@@ -0,0 +1,30 @@
+// prime the server with knowledge of the root servers
+view "defaults" {
+    zone "." {
+            type hint;
+            file "/etc/bind/db.root";
+    };
+
+    // be authoritative for the localhost forward and reverse zones, and for
+    // broadcast zones as per RFC 1912
+
+    zone "localhost" {
+            type master;
+            file "/etc/bind/db.local";
+    };
+
+    zone "127.in-addr.arpa" {
+            type master;
+            file "/etc/bind/db.127";
+    };
+
+    zone "0.in-addr.arpa" {
+            type master;
+            file "/etc/bind/db.0";
+    };
+
+    zone "255.in-addr.arpa" {
+            type master;
+            file "/etc/bind/db.255";
+    };
+};