commit fe4bda67a707409f722180207869ed9eef5b069f
Author: Nicolas MASSE <nicolas.masse@itix.fr>
Date:   Mon Dec 7 13:01:28 2020 +0100

    initial commit

diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..d6507e2
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+go build -o dnstiming main.go
+container=$(buildah from fedora:33)
+mnt=$(buildah mount $container)
+cp dnstiming $mnt
+chmod 755 $mnt/dnstiming
+buildah config --cmd /dnstiming $container
+buildah commit $container dnstiming
+buildah unmount $container
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..4c87603
--- /dev/null
+++ b/main.go
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"time"
+)
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Printf("Usage: %s hostname\n", os.Args[0])
+		os.Exit(1)
+	}
+
+	start := time.Now()
+	addrs, err := net.LookupHost(os.Args[1])
+	end := time.Now()
+	elapsed := end.Sub(start)
+
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(2)
+	}
+
+	for _, addr := range addrs {
+		fmt.Println(addr)
+	}
+
+	fmt.Println()
+	fmt.Printf("Elapsed: %d ms\n", elapsed.Milliseconds())
+}
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..2ba034f
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+podman run --rm --name fedora -d fedora sleep 60
+podman run --rm --name dnstiming -t dnstiming /dnstiming fedora