Resolve oss build issue

server/lib/dns/generateDomains.ts

@@ -1,3 +1,10 @@
-export function createCname(domainId: string, baseDomain: string) {}
+export function createCname(
+    domainId: string,
+    baseDomain: string
+): { baseDomain: string; value: string }[] {
+    throw new Error("Creating CNAME records is not supported in this build");
+}
 
-export function createNs() {}
+export function createNs(): string[] {
+    throw new Error("Creating NS records is not supported in this build");
+}