deb-designate/api-ref/source/samples/limits/get-limits-response.json

{
  "max_page_limit": 1000,
  "max_recordset_name_length": 255,
  "max_recordset_records": 20,
  "max_zone_name_length": 255,
  "max_zone_records": 500,
  "max_zone_recordsets": 500,
  "max_zones": 10,
  "min_ttl": null
}