Cloudflare

import requests
import json
response_ip = requests.get('https://ifconfig.me/ip')

new_ip = ""
if (response_ip.status_code == 200):
    new_ip = response_ip.text

data = [
    # example1.com
    {
      "zone_id":"...", 
      "api_token":"...",
      "dns":[]
    },
    # example2.com
    {
      "zone_id":"...", 
      "api_token":"...",
      "dns": [
          { 
            "id": "...",
            "name":  "admin.neighborsoft.com"
          }, 
          {
            "id": "...",
            "name":  "test.neighborsoft.com"
          },
          { 
            "id": "...",
            "name":  "toeicapi.neighborsoft.com"
          }, 
          {
            "id": "...",
            "name":  "toeic.neighborsoft.com"
          }
        ]
    },
    # example3.dev
    {
      "zone_id":"...", 
      "api_token":"...",
      "dns":[]
    },
  ]

FILE_NAME = "/home/pi/shared/ip.txt"
old_ip = ""
with open(FILE_NAME) as f:
    for line in f:
      old_ip = line.strip()
      print(old_ip, new_ip)
      break

if old_ip != new_ip:
  for i in range(len(data)):
    zone_id = data[i]["zone_id"]
    my_headers = {'Authorization' : 'Bearer {}'.format(data[i]["api_token"])}
    results_dns = data[i]["dns"]
    if len(results_dns) == 0:
      response_dns = requests.get('https://api.cloudflare.com/client/v4/zones/{}/dns_records?type=A'.format(zone_id), headers=my_headers)
      # print(response_dns.text)
      results_dns = json.loads(response_dns.text)["result"]
    for record in results_dns:
      # print(record['id'])
      url = 'https://api.cloudflare.com/client/v4/zones/{}/dns_records/{}'.format(zone_id, record['id'])
      # print(url)
      results_dns_update = requests.patch(url, json = {"content": new_ip}, headers=my_headers)
      # print(results_dns_update)
      if (response_ip.status_code == 200):
        print("updated {}".format(record['name']))
      else:
        print("updated fail!")
  with open(FILE_NAME, "w") as file:
    file.writelines(new_ip)
    file.close()

else:
  print("IP is collected")

* * * * * /usr/bin/python3 /home/pi/shared/updatedns.py >> /home/pi/shared/log_dns.txt