sddzinfo.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1269 ms crawled 2026-05-18

CN · 58.56.26.77 · AS4134 Chinanet

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: 山东大众信息产业有限公司
Language: en

Technology

Server: nginx

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2010-06-13

Expires

2028-06-13 755 days left

Updated

2025-05-19

Name servers

dns13.hichina.com
dns14.hichina.com

DNS records live

NS

dns13.hichina.com
dns14.hichina.com

MX

10 mx2.em.dingtalk.com
15 mx3.em.dingtalk.com
5 mx1.em.dingtalk.com

Email authentication weak

SPF

v=spf1 include:spf.em.dingtalk.com -all

strict (-all)

DMARC

not published

DKIM

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArcKB3H/iboty+CiPwbj3+u/XtQFSs3PVZkz1z4IA9hT7ict72Ow6yhvUwgxCti+A6wfBna0pyqVn9y…

selectors probed

Certificate (current)

vTrus DV SSL CA G2

from 2025-09-26 to 2026-09-26

Expires in 129 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://sddzinfo.com/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=31536000