.is domain extension Extra info returned for domains Only the zone contact is returned here Zone contact is defined as the admin contact for the first host defined on a domain. ID of the creditcard or prepaid account to be billed for the domain, use the web gui to manage your creditcards. NOT USED, to comply with schema set to any 3 digit number ID of the creditcard or prepaid account to be billed for the domain, use the web gui to manage your creditcards. NOT USED, to comply with schema set to any 3 digit number used to remove all use to get better control over which ns becomes the primary nameserver, admin contact for host becomes zone contact for the domain.