<!DOCTYPE html>
<script>
document.domain = "{{host}}";
onmessage = function (e) {
parent.postMessage(
{
actual: e.origin,
expected: "{{location[scheme]}}://{{domains[www1]}}:{{ports[http][0]}}",
reason: "Incumbent should have been the caller of then()"
},
"*");
}
</script>