Check HTTPs with Golang

main.go

package main

import (
	"fmt"
	"net/http"
)

var urls = []string{
	"https://expired.badssl.com/",
	"https://oskr.nl",
}

func main() {
	for _, url := range urls {
		response, err := http.Get(url)
		if err != nil || response.TLS == nil {
			fmt.Println(url, ": HTTPs is not correctly setup")
			} else {
			fmt.Println(url, ": HTTPs looks OK")
		}
	}
}