code: def whois_nameservers(self, nameservers):
          
          api_name = 'opendns-whois-nameservers'
          fmt_url_path = u'whois/nameservers/{0}'
          return self._multi_get(api_name, fmt_url_path, nameservers)
docs: Calls WHOIS Nameserver end point
  
          Args:
              emails: An enumerable of nameservers
          Returns:
              A dict of {nameserver: domain_result}