(Chilkat2-Python) DNS Query CAA Records

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Shows how to perform a DNS query to retrieve CAA records.

Note: This example requires Chilkat v9.5.0.96 or later.

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS, Solaris

import sys
import chilkat2

dns = chilkat2.Dns()

json = chilkat2.JsonObject()
json.EmitCompact = False

success = dns.Query("CAA","zoom.us",json)
if (success == False):
    print(dns.LastErrorText)
    sys.exit()

print(json.Emit())

# Sample response.
# Parsing code below..

# {
#   "answer": {
#     "caa": [
#       {
#         "name": "zoom.us",
#         "ttl": 300,
#         "flags": 0,
#         "tag": "iodef",
#         "value": "mailto:security@zoom.us"
#       },
#       {
#         "name": "zoom.us",
#         "ttl": 300,
#         "flags": 0,
#         "tag": "issue",
#         "value": "amazon.com"
#       },
#       {
#         "name": "zoom.us",
#         "ttl": 300,
#         "flags": 0,
#         "tag": "issue",
#         "value": "digicert.com"
#       },
#       {
#         "name": "zoom.us",
#         "ttl": 300,
#         "flags": 0,
#         "tag": "issue",
#         "value": "godaddy.com"
#       },
#       {
#         "name": "zoom.us",
#         "ttl": 300,
#         "flags": 0,
#         "tag": "issue",
#         "value": "letsencrypt.org"
#       },
#       {
#         "name": "zoom.us",
#         "ttl": 300,
#         "flags": 0,
#         "tag": "issue",
#         "value": "pki.goog"
#       },
#       {
#         "name": "zoom.us",
#         "ttl": 300,
#         "flags": 0,
#         "tag": "issue",
#         "value": "sectigo.com"
#       }
#     ]
#   }
# }

# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

i = 0
count_i = json.SizeOfArray("answer.caa")
while i < count_i :
    json.I = i
    name = json.StringOf("answer.caa[i].name")
    ttl = json.IntOf("answer.caa[i].ttl")
    flags = json.IntOf("answer.caa[i].flags")
    tag = json.StringOf("answer.caa[i].tag")
    value = json.StringOf("answer.caa[i].value")
    i = i + 1