provider/aws.go
func wildcardUnescape(s string) string {
	if strings.Contains(s, "\\052") {
		s = strings.Replace(s, "\\052", "*", 1)
	}
	return s
}
func wildcardUnescape(s string) string {
	if strings.Contains(s, "\\052") {
		s = strings.Replace(s, "\\052", "*", 1)
	}
	return s
}
// wildcardUnescape converts \\052.abc back to *.abc
// Route53 stores wildcards escaped: http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/DomainNameFormat.html?shortFooter=true#domain-name-format-asterisk