diff --git a/java/google/registry/env/common/backend/WEB-INF/web.xml b/java/google/registry/env/common/backend/WEB-INF/web.xml
index 8e02c28f2..234ee241b 100644
--- a/java/google/registry/env/common/backend/WEB-INF/web.xml
+++ b/java/google/registry/env/common/backend/WEB-INF/web.xml
@@ -141,6 +141,12 @@
     <url-pattern>/_dr/task/loadSnapshot</url-pattern>
   </servlet-mapping>
 
+  <!-- Refreshes all active domains in DNS -->
+  <servlet-mapping>
+    <servlet-name>backend-servlet</servlet-name>
+    <url-pattern>/_dr/task/refreshAllDomains</url-pattern>
+  </servlet-mapping>
+
   <!-- Updates a view to point at a certain snapshot in BigQuery. -->
   <servlet-mapping>
     <servlet-name>backend-servlet</servlet-name>
diff --git a/java/google/registry/module/backend/BUILD b/java/google/registry/module/backend/BUILD
index e5b470a89..db64fc4b9 100644
--- a/java/google/registry/module/backend/BUILD
+++ b/java/google/registry/module/backend/BUILD
@@ -25,7 +25,6 @@ java_library(
         "//java/google/registry/config",
         "//java/google/registry/cron",
         "//java/google/registry/dns",
-        "//java/google/registry/dns/writer",
         "//java/google/registry/dns/writer/clouddns",
         "//java/google/registry/dns/writer/dnsupdate",
         "//java/google/registry/export",
@@ -42,6 +41,7 @@ java_library(
         "//java/google/registry/request:modules",
         "//java/google/registry/tmch",
         "//java/google/registry/util",
+        "//java/google/registry/tools/server/javascrap",
     ],
 )
 
diff --git a/java/google/registry/module/backend/BackendRequestComponent.java b/java/google/registry/module/backend/BackendRequestComponent.java
index a3ff37a1a..1016bb571 100644
--- a/java/google/registry/module/backend/BackendRequestComponent.java
+++ b/java/google/registry/module/backend/BackendRequestComponent.java
@@ -62,6 +62,7 @@ import google.registry.tmch.TmchCrlAction;
 import google.registry.tmch.TmchDnlAction;
 import google.registry.tmch.TmchModule;
 import google.registry.tmch.TmchSmdrlAction;
+import google.registry.tools.server.javascrap.RefreshAllDomainsAction;
 
 /** Dagger component with per-request lifetime for "backend" App Engine module. */
 @RequestScope
@@ -106,6 +107,7 @@ interface BackendRequestComponent {
   RdeStagingAction rdeStagingAction();
   RdeUploadAction rdeUploadAction();
   RdeReporter rdeReporter();
+  RefreshAllDomainsAction refreshAllDomainsAction();
   RefreshDnsAction refreshDnsAction();
   RestoreCommitLogsAction restoreCommitLogsAction();
   SyncGroupMembersAction syncGroupMembersAction();
diff --git a/java/google/registry/tools/server/javascrap/BUILD b/java/google/registry/tools/server/javascrap/BUILD
index 96180035e..43f9bcfb6 100644
--- a/java/google/registry/tools/server/javascrap/BUILD
+++ b/java/google/registry/tools/server/javascrap/BUILD
@@ -14,9 +14,11 @@ java_library(
         "//third_party/java/appengine:appengine-api",
         "//third_party/java/appengine_mapreduce2:appengine_mapreduce",
         "//third_party/java/dagger",
+        "//third_party/java/joda_time",
         "//third_party/java/jsr305_annotations",
         "//third_party/java/jsr330_inject",
         "//third_party/java/objectify:objectify-v4_1",
+        "//java/google/registry/dns",
         "//java/google/registry/mapreduce",
         "//java/google/registry/mapreduce/inputs",
         "//java/google/registry/model",
diff --git a/java/google/registry/tools/server/javascrap/RefreshAllDomainsAction.java b/java/google/registry/tools/server/javascrap/RefreshAllDomainsAction.java
new file mode 100644
index 000000000..271bfbf95
--- /dev/null
+++ b/java/google/registry/tools/server/javascrap/RefreshAllDomainsAction.java
@@ -0,0 +1,79 @@
+// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package google.registry.tools.server.javascrap;
+
+import static google.registry.mapreduce.inputs.EppResourceInputs.createEntityInput;
+import static google.registry.util.PipelineUtils.createJobPath;
+
+import com.google.appengine.tools.mapreduce.Mapper;
+import com.google.common.collect.ImmutableList;
+import google.registry.dns.DnsQueue;
+import google.registry.mapreduce.MapreduceRunner;
+import google.registry.model.EppResourceUtils;
+import google.registry.model.domain.DomainResource;
+import google.registry.request.Action;
+import google.registry.request.Response;
+import google.registry.util.FormattingLogger;
+import javax.inject.Inject;
+import org.joda.time.DateTime;
+import org.joda.time.DateTimeZone;
+
+/** A mapreduce that runs publishHost() on all active domains. */
+@Action(path = "/_dr/task/refreshAllDomains")
+public class RefreshAllDomainsAction implements Runnable {
+
+  private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
+
+  static DnsQueue dnsQueue = DnsQueue.create();
+
+  @Inject MapreduceRunner mrRunner;
+  @Inject Response response;
+  @Inject RefreshAllDomainsAction() {}
+
+  @Override
+  public void run() {
+    response.sendJavaScriptRedirect(
+        createJobPath(
+            mrRunner
+                .setJobName("Refresh all domains")
+                .setModuleName("backend")
+                .setDefaultMapShards(10)
+                .runMapOnly(
+                    new RefreshAllDomainsActionMapper(),
+                    ImmutableList.of(createEntityInput(DomainResource.class)))));
+  }
+
+  /** Mapper to refresh all active domain resources. */
+  public static class RefreshAllDomainsActionMapper extends Mapper<DomainResource, Void, Void> {
+
+    private static final long serialVersionUID = 1356876487351666133L;
+
+    @Override
+    public final void map(final DomainResource domain) {
+      final String domainName = domain.getFullyQualifiedDomainName();
+      if (EppResourceUtils.isActive(domain, DateTime.now(DateTimeZone.UTC))) {
+        try {
+          dnsQueue.addDomainRefreshTask(domainName);
+          getContext().incrementCounter("active domains refreshed");
+        } catch (Throwable t) {
+          logger.severefmt(t, "Error while refreshing DNS for domain %s", domainName);
+          getContext().incrementCounter("active domains errored");
+        }
+      } else {
+        getContext().incrementCounter("inactive domains skipped");
+      }
+    }
+  }
+}