diff --git a/lib/logic/api_maps/hetzner.dart b/lib/logic/api_maps/hetzner.dart
index 28c0a0d8..0313fe72 100644
--- a/lib/logic/api_maps/hetzner.dart
+++ b/lib/logic/api_maps/hetzner.dart
@@ -47,8 +47,8 @@ class HetznerApi extends ApiMap {
       "ssh_keys": [],
       "volumes": [],
       "networks": [],
-      "user_data":
-          "#cloud-config\nruncmd:\n- curl https://git.selfprivacy.org/ilchub/selfprivacy-nixos-infect/raw/branch/master/nixos-infect | PROVIDER=hetzner NIX_CHANNEL=nixos-20.09 DOMAIN=$domainName USER=${rootUser.login} PASSWORD=${rootUser.password} HASHED_PASSWORD=${rootUser.hashPassword} bash 2>&1 | tee /tmp/infect.log \nruncmd:\n- curl https://git.selfprivacy.org/ilchub/selfprivacy-nixos-infect/raw/branch/master/nixos-infect | PROVIDER=hetzner NIX_CHANNEL=nixos-20.09 DOMAIN=$domainName USER=${rootUser.login} PASSWORD=${rootUser.password} HASHED_PASSWORD=${rootUser.hashPassword} bash 2>&1 | tee /tmp/infect.log",
+      'user-data':
+          '#cloud-config\nruncmd:\n- curl https://git.selfprivacy.org/ilchub/selfprivacy-nixos-infect/raw/branch/master/nixos-infect | PROVIDER=hetzner NIX_CHANNEL=nixos-20.09 DOMAIN=$domainName USER=${rootUser.login} PASSWORD=${rootUser.password} HASHED_PASSWORD=${rootUser.hashPassword} bash 2>&1 | tee /tmp/infect.log'
     };
     Response response = await client.post(
       rootAddress,
diff --git a/lib/logic/common_enum/common_enum.dart b/lib/logic/common_enum/common_enum.dart
new file mode 100644
index 00000000..741a1bf4
--- /dev/null
+++ b/lib/logic/common_enum/common_enum.dart
@@ -0,0 +1,10 @@
+enum InitializingSteps {
+  setHeznerKey,
+  setCloudFlareKey,
+  setDomainName,
+  setRootUser,
+  createServer,
+  checkCloudFlareDns,
+  startServer,
+  checkSystemDnsAndDkimSet,
+}
diff --git a/lib/logic/cubit/app_config/app_config_cubit.dart b/lib/logic/cubit/app_config/app_config_cubit.dart
index 9ae4e76e..6219dfeb 100644
--- a/lib/logic/cubit/app_config/app_config_cubit.dart
+++ b/lib/logic/cubit/app_config/app_config_cubit.dart
@@ -1,5 +1,3 @@
-import 'dart:io';
-
 import 'package:bloc/bloc.dart';
 import 'package:equatable/equatable.dart';
 import 'package:hive/hive.dart';
@@ -9,6 +7,7 @@ import 'package:selfprivacy/logic/api_maps/hetzner.dart';
 import 'package:selfprivacy/logic/models/cloudflare_domain.dart';
 import 'package:selfprivacy/logic/models/server_details.dart';
 import 'package:selfprivacy/logic/models/user.dart';
+import 'package:basic_utils/basic_utils.dart';
 
 part 'app_config_state.dart';
 
@@ -67,14 +66,20 @@ class AppConfigCubit extends Cubit<AppConfigState> {
     ];
     var hasError = false;
     for (var address in addresses) {
-      var res = await InternetAddress.lookup(address);
-      if (res.isEmpty || res[0].address != ip4) {
+      var res = await DnsUtils.lookupRecord(
+        address,
+        RRecordType.A,
+        provider: DnsApiProvider.CLOUDFLARE,
+      );
+      if (res.isEmpty || res[0].data != ip4) {
         hasError = true;
         break;
       }
     }
     if (hasError) {
-      emit(state.copyWith(error: Exception('dns checking error')));
+      emit(state.copyWith(error: Exception('dns cloudflare checking error')));
+    } else {
+      print('check complete');
     }
   }
 
diff --git a/lib/ui/pages/initializing/initializing.dart b/lib/ui/pages/initializing/initializing.dart
index 099f5e17..47e66ea2 100644
--- a/lib/ui/pages/initializing/initializing.dart
+++ b/lib/ui/pages/initializing/initializing.dart
@@ -1,5 +1,3 @@
-import 'dart:io';
-
 import 'package:cubit_form/cubit_form.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
@@ -26,7 +24,6 @@ class InitializingPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     var cubit = context.watch<AppConfigCubit>();
-    print(cubit.state.error);
     var actualPage = [
       _stepHetzner(cubit),
       _stepCloudflare(cubit),
@@ -269,9 +266,7 @@ class InitializingPage extends StatelessWidget {
       return Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          Spacer(
-            flex: 2,
-          ),
+          Spacer(flex: 2),
           BrandText.h2('Создать сервер'),
           SizedBox(height: 10),
           BrandText.body2('Создать сервер'),
@@ -280,9 +275,7 @@ class InitializingPage extends StatelessWidget {
             onPressed: isLoading ? null : appConfigCubit.createServer,
             title: isLoading ? 'loading' : 'Создать сервер',
           ),
-          Spacer(
-            flex: 2,
-          ),
+          Spacer(flex: 2),
           BrandButton.text(
             onPressed: () => _showModal(context, _HowHetzner()),
             title: 'Что это значит?',
@@ -295,7 +288,6 @@ class InitializingPage extends StatelessWidget {
   Widget _stepCheck(AppConfigCubit appConfigCubit) {
     var state = appConfigCubit.state;
     var error = state.error;
-    print(error);
     return Builder(builder: (context) {
       return Column(
         crossAxisAlignment: CrossAxisAlignment.start,
@@ -320,7 +312,6 @@ class InitializingPage extends StatelessWidget {
                 duration: Duration(minutes: 10),
                 callback: () {
                   appConfigCubit.checkDns();
-                  // print(state.server.ip4);
                 },
               ),
             ],
@@ -341,9 +332,7 @@ class InitializingPage extends StatelessWidget {
     return Container(
       height: 500,
       padding: brandPagePadding2,
-      child: BrandCard(
-        child: child,
-      ),
+      child: BrandCard(child: child),
     );
   }
 }
diff --git a/pubspec.lock b/pubspec.lock
index 58e73f3a..f91d82ee 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -36,6 +36,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.5.0-nullsafety.1"
+  basic_utils:
+    dependency: "direct dev"
+    description:
+      name: basic_utils
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.7.0-rc.4"
   bloc:
     dependency: transitive
     description:
@@ -539,6 +546,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   pool:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index e7feef1c..3828554b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -28,6 +28,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  basic_utils: ^2.6.3
   build_runner: ^1.10.11
   flutter_launcher_icons: ^0.8.1
   hive_generator: ^0.8.2