diff --git a/src/idns/client.rs b/src/idns/client.rs
index 205e7dc..927d6e6 100644
--- a/src/idns/client.rs
+++ b/src/idns/client.rs
@@ -82,6 +82,7 @@ impl Client {
         &self, request: RequestMessage<Vec<u8>>, server: &Server,
     ) -> Result<Answer, Error> {
         match server.transport {
+            Transport::Udp => self.request_udp(request, server).await,
             Transport::UdpTcp => self.request_udptcp(request, server).await,
             Transport::Tcp => self.request_tcp(request, server).await,
         }
@@ -158,6 +159,7 @@ pub struct Server {
 
 #[derive(Clone, Copy, Debug)]
 pub enum Transport {
+    Udp,
     UdpTcp,
     Tcp,
 }
diff --git a/src/idns/commands/query.rs b/src/idns/commands/query.rs
index 87caefc..bacec7b 100644
--- a/src/idns/commands/query.rs
+++ b/src/idns/commands/query.rs
@@ -54,6 +54,10 @@ pub struct Query {
     #[arg(short, long)]
     tcp: bool,
 
+    /// Use only UDP.
+    #[arg(short, long)]
+    udp: bool,
+
     /// Set the timeout for a query.
     #[arg(long, value_name="SECONDS")]
     timeout: Option<f32>,
@@ -217,7 +221,10 @@ impl Query {
     }
 
     fn transport(&self) -> Transport {
-        if self.tcp {
+        if self.udp {
+            Transport::Udp
+        }
+        else if self.tcp {
             Transport::Tcp
         }
         else {