extern type serial;
{{Domain zone serial numbers}}
extern val serialAuto : serial;
-{{Whenever DNS data changes, choose a sensible serial number automatically.}
+{{Whenever DNS data changes, choose a sensible serial number automatically.}}
extern val serialConst : int -> serial;
{{Use this particular serial number.}}
val defaultSoa = soa "ns.hcoop.net" serialAuto 172800 900 1209600 3600;
+extern type dns_node;
+{{A node offering DNS services}}
+extern val dns_node_to_node : dns_node -> node;
+
extern type master;
{{Information on the master DNS server for a domain}}
extern val externalMaster : ip -> master;
{{A server not controlled by domtool will serve as master.}}
-extern val internalMaster : node -> master;
+extern val internalMaster : dns_node -> master;
{{A server controlled by domtool will serve as master.}}
extern type dnsKind;
{{How should DNS for this domain be handled?}}
-extern val useDns : soa -> master -> [node] -> dnsKind;
+extern val useDns : soa -> master -> [dns_node] -> dnsKind;
{{We do want DNS services for this domain. Specify the SOA record, information
on the server in charge of zone data, and a list of slave servers.}}
extern val noDns : dnsKind;
extern val domain : your_domain -> Domain => [Root] {DNS : dnsKind, TTL : int};
{{Configure a domain to which you have access rights.}}
+
+extern type mail_node;
+{{A node offering SMTP services}}
+extern val mail_node_to_node : mail_node -> node;
\ No newline at end of file