{
    "id": "domain",

    "$schema": "http://json-schema.org/draft-03/hyper-schema",

    "title": "domain",
    "description": "Domain",
    "additionalProperties": false,

    "properties": {
        "id": {
            "type": "string",
            "description": "Domain Identifier",
            "pattern": "^([0-9a-fA-F]){8}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){12}$",
            "readonly": true
        },
        "name": {
            "type": "string",
            "description": "Domain name",
            "format": "domain-name",
            "maxLength": 255,
            "required": true,
            "readonly": true
        },
        "email": {
            "type": "string",
            "description": "Hostmaster email address",
            "format": "email",
            "maxLength": 255,
            "required": true
        },
        "ttl": {
            "type": "integer",
            "description": "Time to live",
            "minimum": 0,
            "maximum": 2147483647
        },
        "serial": {
            "type": "integer",
            "description": "Serial Number",
            "minimum": 1,
            "maximum": 4294967295,
            "readonly": true
        },
        "description": {
            "type": ["string", "null"],
            "description": "Description for the Domain",
            "maxLength": 160
        },
        "created_at": {
            "type": "string",
            "description": "Date and time of domain creation",
            "format": "date-time",
            "readonly": true
        },
        "updated_at": {
            "type": ["string", "null"],
            "description": "Date and time of last domain update",
            "format": "date-time",
            "readonly": true
        }
    },
    "links": [{
        "rel": "self",
        "href": "/domains/{id}"
    }, {
        "rel": "records",
        "href": "/domains/{id}/records"
    }, {
        "rel": "servers",
        "href": "/domains/{id}/servers"
    }, {
        "rel": "collection",
        "href": "/domains"
    }]
}