"HostRecord": { "Properties": { "Comment": "DNS name for <%= @domain %>", "HostedZoneName": ".mydomain.net.", "Name": { "Fn::Join": [ "", [ { "Ref": "AWS::StackName" }, ".<%= @domain %>" ] ] }, "ResourceRecords": [ { "Fn::GetAtt": [ "elb", "DNSName" ] } ], "TTL": "60", "Type": "CNAME" }, "Type": "AWS::Route53::RecordSet" },