diff --git a/changelog.md b/changelog.md
index 03a49bd..e72ba64 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 2026-04-13 - 13.15.1 - fix(monitoring)
+improve domain activity aggregation for multi-domain and wildcard routes
+
+- map route metrics across all configured domains instead of only the first domain
+- resolve wildcard domain patterns against active protocol cache entries
+- distribute shared route traffic across matched domains and preserve fallback reporting for routes without domain configuration
+
 ## 2026-04-13 - 13.15.0 - feat(stats)
 add typed network stats response fields for bandwidth, domain activity, and protocol distribution
 
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 3d70bd9..8b12c34 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/dcrouter',
-  version: '13.15.0',
+  version: '13.15.1',
   description: 'A multifaceted routing service handling mail and SMS delivery functions.'
 }
diff --git a/ts/monitoring/classes.metricsmanager.ts b/ts/monitoring/classes.metricsmanager.ts
index ac3e30c..05bcac2 100644
--- a/ts/monitoring/classes.metricsmanager.ts
+++ b/ts/monitoring/classes.metricsmanager.ts
@@ -724,8 +724,8 @@ export class MetricsManager {
       const connectionsByRoute = proxyMetrics.connections.byRoute();
       const throughputByRoute = proxyMetrics.throughput.byRoute();
 
-      // Map route name → primary domain using dcrouter's route configs
-      const routeToDomain = new Map<string, string>();
+      // Map route name → ALL its domains (not just the first one)
+      const routeDomains = new Map<string, string[]>();
       if (this.dcRouter.smartProxy) {
         for (const route of this.dcRouter.smartProxy.routeManager.getRoutes()) {
           if (!route.name || !route.match.domains) continue;
@@ -733,29 +733,101 @@ export class MetricsManager {
             ? route.match.domains
             : [route.match.domains];
           if (domains.length > 0) {
-            routeToDomain.set(route.name, domains[0]);
+            routeDomains.set(route.name, domains);
           }
         }
       }
 
-      // Aggregate metrics by domain
+      // Use protocol cache to discover actual active domains (resolves wildcards)
+      const activeDomains = new Set<string>();
+      const domainToBackend = new Map<string, string>(); // domain → host:port
+      for (const entry of protocolCache) {
+        if (entry.domain) {
+          activeDomains.add(entry.domain);
+          domainToBackend.set(entry.domain, `${entry.host}:${entry.port}`);
+        }
+      }
+
+      // Build reverse map: domain → route name(s) that handle it
+      // For concrete domains: direct lookup from route config
+      // For wildcard patterns: match active domains from protocol cache
+      const domainToRoutes = new Map<string, string[]>();
+      for (const [routeName, domains] of routeDomains) {
+        for (const pattern of domains) {
+          if (pattern.includes('*')) {
+            // Wildcard pattern — match against active domains from protocol cache
+            const regex = new RegExp('^' + pattern.replace(/\./g, '\\.').replace(/\*/g, '[^.]+') + '$');
+            for (const activeDomain of activeDomains) {
+              if (regex.test(activeDomain)) {
+                const existing = domainToRoutes.get(activeDomain);
+                if (existing) { existing.push(routeName); }
+                else { domainToRoutes.set(activeDomain, [routeName]); }
+              }
+            }
+          } else {
+            // Concrete domain
+            const existing = domainToRoutes.get(pattern);
+            if (existing) { existing.push(routeName); }
+            else { domainToRoutes.set(pattern, [routeName]); }
+          }
+        }
+      }
+
+      // Aggregate metrics per domain
+      // For each domain, sum metrics from all routes that serve it,
+      // divided by the number of domains each route serves
       const domainAgg = new Map<string, {
         activeConnections: number;
         bytesInPerSec: number;
         bytesOutPerSec: number;
         routeCount: number;
       }>();
+
+      // Track which routes are accounted for
+      const accountedRoutes = new Set<string>();
+
+      for (const [domain, routeNames] of domainToRoutes) {
+        let totalConns = 0;
+        let totalIn = 0;
+        let totalOut = 0;
+
+        for (const routeName of routeNames) {
+          accountedRoutes.add(routeName);
+          const conns = connectionsByRoute.get(routeName) || 0;
+          const tp = throughputByRoute.get(routeName) || { in: 0, out: 0 };
+          // Count how many resolved domains share this route
+          let domainsInRoute = 0;
+          for (const [, routes] of domainToRoutes) {
+            if (routes.includes(routeName)) domainsInRoute++;
+          }
+          const share = Math.max(domainsInRoute, 1);
+          totalConns += conns / share;
+          totalIn += tp.in / share;
+          totalOut += tp.out / share;
+        }
+
+        domainAgg.set(domain, {
+          activeConnections: Math.round(totalConns),
+          bytesInPerSec: totalIn,
+          bytesOutPerSec: totalOut,
+          routeCount: routeNames.length,
+        });
+      }
+
+      // Include routes with no domain config (fallback: use route name)
       for (const [routeName, activeConns] of connectionsByRoute) {
-        const domain = routeToDomain.get(routeName) || routeName;
+        if (accountedRoutes.has(routeName)) continue;
+        if (routeDomains.has(routeName)) continue; // has domains but no traffic matched
         const tp = throughputByRoute.get(routeName) || { in: 0, out: 0 };
-        const existing = domainAgg.get(domain);
+        if (activeConns === 0 && tp.in === 0 && tp.out === 0) continue;
+        const existing = domainAgg.get(routeName);
         if (existing) {
           existing.activeConnections += activeConns;
           existing.bytesInPerSec += tp.in;
           existing.bytesOutPerSec += tp.out;
           existing.routeCount++;
         } else {
-          domainAgg.set(domain, {
+          domainAgg.set(routeName, {
             activeConnections: activeConns,
             bytesInPerSec: tp.in,
             bytesOutPerSec: tp.out,
@@ -763,6 +835,7 @@ export class MetricsManager {
           });
         }
       }
+
       const domainActivity = Array.from(domainAgg.entries())
         .map(([domain, data]) => ({
           domain,
diff --git a/ts_web/00_commitinfo_data.ts b/ts_web/00_commitinfo_data.ts
index 3d70bd9..8b12c34 100644
--- a/ts_web/00_commitinfo_data.ts
+++ b/ts_web/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/dcrouter',
-  version: '13.15.0',
+  version: '13.15.1',
   description: 'A multifaceted routing service handling mail and SMS delivery functions.'
 }