Fetch an HTTPS Asset from Specific IP and Skipping DNS lookup

tls-check.go

package main

import (

    "crypto/tls"
    "log"
    "net/http"

)

func main() {

    tlsConfig := &tls.Config{
        ServerName: "moupon.co",
    }
    tlsConfig.BuildNameToCertificate()
    transport := &http.Transport{TLSClientConfig: tlsConfig}

    client := &http.Client{Transport: transport}
    req, err := http.NewRequest("GET", "https://216.239.32.21/s/img/logo.png", nil)
    if err != nil {
        log.Fatal(err)
    }
    req.Host = "moupon.co"

    _, err = client.Do(req)
    if err != nil {
        log.Fatal(err)
    }

    log.Fatal("no errors")
}