extern type node;
{{The name of a server controlled by domtool}}
+extern val ip_of_node : node -> ip;
+{{Look up the IP address of a node.}}
+
extern type user;
extern type group;
{{UNIX users and groups}}
{{DNS start-of-authority record}}
extern val soa : domain -> serial -> int -> int -> int -> int -> soa;
+val defaultSoa = soa "ns.hcoop.net" serialAuto 172800 900 1209600 3600;
+
extern type master;
{{Information on the master DNS server for a domain}}
extern val externalMaster : ip -> master;