exueshi.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1842 ms crawled 2026-05-18

CN · 159.75.90.162 · AS45090 Shenzhen Tencent Computer Systems Company Limited

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: 易学仕在线-专升本_专升本网课|专升本培训|历年真题
Description: 易学仕在线是好老师旗下在线专升本培训平台,为专升本考生提供免费专升本网课视频,历年真题,专升本报名,考试资讯等相关内容！
Canonical: https://mobile.exueshi.com/

Technology

Server: nginx
CMS: Gatsby

Third-party hosts loaded (5)

exueshi-news.exsoss.com×15
exueshi-new-oss.oss-cn-hangzhou.aliyuncs.com×4
exueshi-cdn.oss-cn-hangzhou.aliyuncs.com×2
a.gdt.qq.com×1
s19.cnzz.com×1

Contact

Phone

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2015-01-21

Expires

2029-01-21 977 days left

Updated

2026-01-06

Name servers

dns10.hichina.com
dns9.hichina.com

DNS records live

NS

dns10.hichina.com
dns9.hichina.com

MX

10 mxbiz2.qq.com
5 mxbiz1.qq.com

Email authentication weak

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

Certificate (current)

Xcc Trust DV SSL CA

from 2025-06-16 to 2026-06-16

Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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