zhangtun.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1634 ms crawled 2026-05-19

CN · 123.60.223.199 · AS55990 Huawei Cloud Service data center

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title: IIS Windows Server

Technology

Server: Microsoft-IIS

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2003-11-27

Expires

2026-11-27 191 days left

Updated

2025-11-03

Name servers

dns7.hichina.com
dns8.hichina.com

DNS records live

NS

dns7.hichina.com
dns8.hichina.com

MX

10 mail.hebei.org.cn

CNAME

seos119.sopowcore.net

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36

from 2026-01-10 to 2027-01-11

Expires in 236 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://zhangtun.com/

findings

checked over plain HTTP
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (1)

microsoft.com×4