{
  "context": "This evaluation criteria assesses the engineer's ability to use the dnslib package for sending DNS queries. It focuses on proper use of DNSRecord for query construction, the send() method for transmitting queries, and correct handling of DNS record types and transport protocols.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Query Construction",
      "description": "Uses DNSRecord.question() method to create DNS query packets with the specified domain name and record type (qtype parameter)",
      "max_score": 25
    },
    {
      "name": "Query Transmission",
      "description": "Uses the DNSRecord.send() method to transmit queries to the nameserver, correctly specifying the address, port (typically 53), and tcp parameter for protocol selection",
      "max_score": 25
    },
    {
      "name": "Record Type Handling",
      "description": "Correctly uses QTYPE constants or mappings (e.g., QTYPE.A, QTYPE.MX, QTYPE.TXT) to specify DNS record types in queries",
      "max_score": 15
    },
    {
      "name": "Response Parsing",
      "description": "Uses DNSRecord.parse() method or directly processes the DNSRecord object returned by send() to extract answer records from the response",
      "max_score": 15
    },
    {
      "name": "UDP/TCP Protocol",
      "description": "Implements both UDP and TCP query support using the tcp parameter in the send() method (tcp=False for UDP, tcp=True for TCP)",
      "max_score": 10
    },
    {
      "name": "Answer Section Access",
      "description": "Correctly accesses the answer section of DNS responses (e.g., response.rr or iterating over answer records) to retrieve and display resource records",
      "max_score": 10
    }
  ]
}