过期的域名多长时间可以访问

import dns.resolver
import datetime

def check_domain_expiration(domain):
    try:
        answers = dns.resolver.resolve(domain, 'SOA')
        for rdata in answers:
            expiration_date = rdata.refresh
            current_date = datetime.datetime.now()
            days_remaining = (expiration_date - current_date).days
            print(f"Domain: {domain}")
            print(f"Expiration Date: {expiration_date}")
            print(f"Days Remaining: {days_remaining}")
    except dns.resolver.NXDOMAIN:
        print(f"Domain {domain} does not exist.")
    except dns.resolver.NoAnswer:
        print(f"No SOA record found for domain {domain}.")
    except dns.resolver.Timeout:
        print(f"DNS query timed out for domain {domain}.")

# 示例域名
domain = "example.com"
check_domain_expiration(domain)