First

go.mod

@@ -0,0 +1,3 @@
+module passke.org/hostchecker
+
+go 1.19

main.go

@@ -0,0 +1,19 @@
+package main
+
+import "fmt"
+import "net/http"
+import "io"
+
+func main() {
+  fmt.Println("staring")
+
+  resp, err := http.Head("http://example.com")
+  if err != nil {
+    fmt.Println("Failed")
+  } else {
+    _, _ = io.ReadAll(resp.Body)
+    resp.Body.Close()
+    fmt.Println("status", resp.StatusCode)
+  }
+
+}