申请的域名怎么设置防止被黑

import dns.resolver
import time

def check_dns_record(domain, record_type):
    try:
        answers = dns.resolver.resolve(domain, record_type)
        return [answer.to_text() for answer in answers]
    except dns.resolver.NXDOMAIN:
        return f"Domain {domain} does not exist."
    except dns.resolver.NoAnswer:
        return f"No {record_type} records found for {domain}."
    except dns.resolver.Timeout:
        return f"Timed out while querying {domain}."

def monitor_domain(domain, record_type, interval=60):
    previous_records = check_dns_record(domain, record_type)
    while True:
        time.sleep(interval)
        current_records = check_dns_record(domain, record_type)
        if previous_records != current_records:
            print(f"DNS record change detected for {domain}:")
            print(f"Previous: {previous_records}")
            print(f"Current: {current_records}")
            previous_records = current_records

if __name__ == "__main__":
    domain = "example.com"
    record_type = "A"
    monitor_domain(domain, record_type)