域名缓存期被抢注

import dns.resolver
import os

def check_domain(domain):
    try:
        answers = dns.resolver.resolve(domain, 'A')
        for rdata in answers:
            print(f"Domain {domain} resolved to {rdata.address}")
    except dns.resolver.NXDOMAIN:
        print(f"Domain {domain} does not exist.")
    except dns.resolver.NoAnswer:
        print(f"Domain {domain} has no A records.")
    except dns.resolver.Timeout:
        print(f"Timed out while resolving domain {domain}.")

def flush_dns_cache():
    if os.name == 'posix':  # For Unix-like systems
        os.system('sudo systemd-resolve --flush-caches')
    elif os.name == 'nt':  # For Windows
        os.system('ipconfig /flushdns')

# Example usage
domain_to_check = "example.com"
check_domain(domain_to_check)
flush_dns_cache()
check_domain(domain_to_check)  # Check again after flushing cache