def self.elb_dualstack_hosted_zone_mapping
@elb_dualstack_hosted_zone_mapping ||= {
"ap-northeast-1" => "Z14GRHDCWA56QT",
"ap-northeast-2" => "ZWKZPGTI48KDX",
"ap-south-1" => "ZP97RAFLXTNZK",
"ap-southeast-1" => "Z1LMS91P8CMLE5",
"ap-southeast-2" => "Z1GM3OXH4ZPM65",
"ca-central-1" => "ZQSVJUPU6J1EY",
"eu-central-1" => "Z215JYRZR1TBD5",
"eu-west-1" => "Z32O12XQLNTSW2",
"eu-west-2" => "ZHURV8PSTC4K8",
"us-east-1" => "Z35SXDOTRQ7X7K",
"us-east-2" => "Z3AADJGX6KTTL2",
"us-west-1" => "Z368ELLRRE2KJ0",
"us-west-2" => "Z1H1FL5HABSF5",
"sa-east-1" => "Z2P70J7HTTTPLU",
}
end