checker: split monolithic rule into per-concern rules

checker/rules_address.go

@@ -0,0 +1,13 @@
+package checker
+
+import sdk "git.happydns.org/checker-sdk-go/checker"
+
+// addressRule covers Zonemaster's address test module (IP addresses of
+// nameservers, private/reserved ranges, IPv6 coverage).
+func addressRule() sdk.CheckRule {
+	return &categoryRule{
+		name:        "zonemaster.address",
+		description: "Zonemaster address tests (IP addresses of nameservers, private/reserved ranges).",
+		modules:     []string{"address"},
+	}
+}