func isAWSLoadBalancer(ep *endpoint.Endpoint) bool {
	if ep.RecordType == endpoint.RecordTypeCNAME {
		return canonicalHostedZone(ep.Targets[0]) != ""
	}

	return false
}
func isAWSLoadBalancer(ep *endpoint.Endpoint) bool {
	if ep.RecordType == endpoint.RecordTypeCNAME {
		return canonicalHostedZone(ep.Targets[0]) != ""
	}

	return false
}
// isAWSLoadBalancer determines if a given hostname belongs to an AWS load balancer.