zhengde.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-15 · ok HTTP/1.1 200 1486 ms crawled 2026-05-08

CN · 47.94.19.161 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: 正德科技 | 网站建设 | 域名主机 | 企业邮箱 | 网络推广 | 网站运维 | 济宁正德科技有限公司
Description: 济宁正德科技有限公司成立于2000年，是鲁西南地区较早和具强大实力的网络科技公司之一。专注于网站建设、域名主机、企业邮箱、网络推广及网站运维等，为众多企业提供专业的网络技术支持和多样化的数字解决方案。服务热线：0537-3298888
Language: zh-CN

Technology

Server: nginx

Contact

Email

kefu@zhengde.com

Phone

0537-3298888

Registration

Registrar

Xiamen 35.com Information Co., Ltd.

Created

2000-05-24

Expires

2027-05-24 369 days left

Updated

2026-04-23

Name servers

ns1.alidns.com
ns2.alidns.com

DNS records live

NS

ns1.alidns.com
ns2.alidns.com

MX

10 mx.263.net
5 mxw.263.net

Email authentication weak

SPF: v=spf1 include:spf.263.net -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-07 to 2026-07-06

Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://zhengde.com/

findings

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