怎么查询已备案域名

import requests

def query_domain_beian(domain):
    url = f"https://beian.miit.gov.cn/publish/query/indexFirst.action"
    params = {
        "keyword": domain,
        "searchType": "domain",
        "page": 1
    }
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3"
    }
    response = requests.get(url, params=params, headers=headers)
    if response.status_code == 200:
        return response.text
    else:
        return "查询失败"

domain = "example.com"
result = query_domain_beian(domain)
print(result)