伪造邮箱域名

import dns.resolver

def check_email_domain(email):
    domain = email.split('@')[1]
    
    try:
        # 检查MX记录
        mx_records = dns.resolver.resolve(domain, 'MX')
        if not mx_records:
            return False
        
        # 检查SPF记录
        spf_records = dns.resolver.resolve(domain, 'TXT')
        if not any('v=spf1' in record.strings[0].decode() for record in spf_records):
            return False
        
        return True
    except dns.resolver.NXDOMAIN:
        return False
    except dns.resolver.NoAnswer:
        return False
    except dns.resolver.Timeout:
        return False

# 示例使用
email = "example@fakeemail.com"
if check_email_domain(email):
    print("邮箱域名有效")
else:
    print("邮箱域名可能是伪造的")