package main import ( "flag" "log" "github.com/emersion/go-msgauth/dmarc" ) func main() { flag.Parse() domain := flag.Arg(0) if domain == "" { log.Fatal("usage: dmarc-lookup ") } rec, err := dmarc.Lookup(domain) if err != nil { log.Fatal(err) } log.Printf("%#v\n", rec) }