一次备案几个域名

def submit_domain_for_registration(domain_name, owner_info):
    # 模拟提交域名备案信息
    if validate_owner_info(owner_info):
        if check_domain_limit(owner_info):
            register_domain(domain_name, owner_info)
            print(f"Domain {domain_name} registered successfully.")
        else:
            print("Exceeded domain registration limit for this owner.")
    else:
        print("Invalid owner information.")

def validate_owner_info(owner_info):
    # 模拟验证备案信息
    return True

def check_domain_limit(owner_info):
    # 模拟检查备案数量限制
    return True

def register_domain(domain_name, owner_info):
    # 模拟注册域名
    pass

# 示例调用
owner_info = {
    "name": "John Doe",
    "id_number": "123456789012345678",
    "company": "Example Corp"
}
submit_domain_for_registration("example.com", owner_info)