myCert.kt

val d = Observable.just(CertificatePinning(도메인))
                .subscribeOn(Schedulers.io())
                .map {
                    it.myCert("https://도메인포함 URL")
                }
                .subscribe(
                        {
                            System.out.println()
                        },
                        {
                            System.out.println(it.message)
                        },
                        {}
                )