Get the zone id for the zone.

def get_zoneID(self, headers, zone):
        """Get the zone id for the zone."""
        zoneIDurl = self.BASE_URL + '?name=' + zone
        zoneIDrequest = requests.get(zoneIDurl, headers=headers)
        zoneID = zoneIDrequest.json()['result'][0]['id']
        return zoneID