code: def add_hosted_zone_id_for_alias_target_if_missing(self, rs):
          
          alias_target = getattr(rs, "AliasTarget", None)
          if alias_target:
              hosted_zone_id = getattr(alias_target, "HostedZoneId", None)
              if not hosted_zone_id:
                  dns_name = alias_target.DNSName
                  if dns_name.endswith(CF_DOMAIN):
                      alias_target.HostedZoneId = CLOUDFRONT_ZONE_ID
                  elif dns_name.endswith(ELB_DOMAIN):
                      region = dns_name.split('.')[-5]
                      alias_target.HostedZoneId = ELB_ZONE_IDS[region]
                  elif dns_name in S3_WEBSITE_ZONE_IDS:
                      alias_target.HostedZoneId = S3_WEBSITE_ZONE_IDS[dns_name]
                  else:
                      alias_target.HostedZoneId = self.hosted_zone_id
          return rs
docs: Add proper hosted zone id to record set alias target if missing.