监控动态域名

import requests
import dns.resolver
import time

def get_current_ip():
    response = requests.get('https://api.ipify.org')
    return response.text

def update_dns_record(domain, username, password, new_ip):
    resolver = dns.resolver.Resolver()
    resolver.nameservers = ['8.8.8.8']  # 使用Google的DNS服务器
    zone = dns.zone.from_xfr(dns.query.xfr('ns1.yourdnsprovider.com', domain))
    for name, node in zone.nodes.items():
        rdatasets = node.rdatasets
        for rdataset in rdatasets:
            if rdataset.rdtype == dns.rdatatype.A:
                rdataset.remove(new_ip)
                rdataset.add(new_ip)
    update = dns.update.Update(domain)
    update.replace(name, 300, dns.rdatatype.A, new_ip)
    response = dns.query.tcp(update, 'ns1.yourdnsprovider.com')
    return response

def main():
    domain = 'yourdomain.ddns.net'
    username = 'your_username'
    password = 'your_password'
    last_ip = None

    while True:
        current_ip = get_current_ip()
        if current_ip != last_ip:
            print(f'IP address changed from {last_ip} to {current_ip}')
            update_dns_record(domain, username, password, current_ip)
            last_ip = current_ip
        time.sleep(600)  # 每10分钟检查一次

if __name__ == '__main__':
    main()