diff --git a/pom.xml b/pom.xml
index f165d6e44..94c343204 100644
--- a/pom.xml
+++ b/pom.xml
@@ -145,6 +145,12 @@
       <artifactId>okio-jvm</artifactId>
       <version>3.0.0</version>
     </dependency>
+    <!-- https://mvnrepository.com/artifact/dnsjava/dnsjava -->
+    <dependency>
+      <groupId>dnsjava</groupId>
+      <artifactId>dnsjava</artifactId>
+      <version>3.5.3</version>
+    </dependency>
   </dependencies>
 
   <build>
@@ -227,7 +233,7 @@
         <artifactId>spring-boot-maven-plugin</artifactId>
         <executions>
           <execution>
-            <!-- Spring Boot Actuator displays build-related information 
+            <!-- Spring Boot Actuator displays build-related information
               if a META-INF/build-info.properties file is present -->
             <goals>
               <goal>build-info</goal>
@@ -391,7 +397,7 @@
       <build>
         <pluginManagement>
           <plugins>
-            <!-- This plugin's configuration is used to store Eclipse m2e settings 
+            <!-- This plugin's configuration is used to store Eclipse m2e settings
               only. It has no influence on the Maven build itself. -->
             <plugin>
               <groupId>org.eclipse.m2e</groupId>
@@ -449,4 +455,4 @@
     </profile>
   </profiles>
 
-</project>
\ No newline at end of file
+</project>