Flake parts with x64 and ARM support for devshell on both Linux and Mac

nix/system/dns.nix

@@ -0,0 +1,50 @@
+{ config, ... }: {
+  services = {
+    coredns.enable = true;
+    # https://coredns.io/manual/configuration/  		
+    # https://github.com/coredns/coredns.io/blob/master/content/manual/configuration.md
+    coredns.config = ''
+      		  matri.cx {
+      		    template IN A  {
+      		        answer "{{ .Name }} 0 IN A 192.168.0.130"
+      		    }
+      		  }
+
+            mail.matri.cx {
+      		    template IN A  {
+      		        answer "{{ .Name }} 0 IN A 149.28.112.101"
+      		    }
+      		  }
+
+      		  *.matri.cx {
+      		    template IN A  {
+      		        answer "{{ .Name }} 0 IN A 192.168.0.130"
+      		    }
+      		  }
+
+      		  eversole.co {
+      		    template IN A  {
+      		        answer "{{ .Name }} 0 IN A 192.168.0.130"
+      		    }
+      		  }
+
+            box.eversole.co {
+      		    template IN A  {
+      		        answer "{{ .Name }} 0 IN A 149.28.112.101"
+      		    }
+      		  }
+
+      		  *.eversole.co {
+      		    template IN A  {
+      		        answer "{{ .Name }} 0 IN A 192.168.0.130"
+      		    }
+      		  }
+
+      		  . {
+      		    forward . 9.9.9.9 149.112.112.112 84.200.69.80 84.200.70.40
+      		    cache
+      		  }
+
+      		'';
+  };
+}