Not sure it's a bug, may be "a well-known limitation" (unknown to me) - https://inconshreveable.com/04-30-2014/cross-compiling-golan...

Have a Go: package main

  import (
          "fmt"
          "net"
          "os"
  )
  
  func main() {
          hostname := "feeds.feedburner.com"
          if len(os.Args) > 1 {
                  hostname = os.Args[1]
          }
          addr, err := net.LookupHost(hostname)
          if err != nil {
                  fmt.Printf("err: %v", err.Error())
          } else {
                  fmt.Printf("addr: %v", addr)
          }
  }
  
  set GOOS=linux
  set GOARCH=amd64
  set CGO_ENABLED=0