Chilkat2-Python

DNS Query CAA Records

See more DNS Examples

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

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

Chilkat2-Python

import sys
import chilkat2

success = False

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