网站域名过期了会怎么样

import whois
import datetime

def check_domain_expiration(domain):
    try:
        w = whois.whois(domain)
        expiration_date = w.expiration_date
        if isinstance(expiration_date, list):
            expiration_date = expiration_date[0]
        today = datetime.datetime.now()
        days_remaining = (expiration_date - today).days
        if days_remaining < 30:
            print(f"Domain {domain} will expire in {days_remaining} days. Please renew it.")
        else:
            print(f"Domain {domain} is valid for another {days_remaining} days.")
    except Exception as e:
        print(f"Error checking domain {domain}: {e}")

# 示例使用
check_domain_expiration("example.com")