atguigu.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 885 ms crawled 2026-05-18

DE · 155.102.51.14 · AS24429 Zhejiang Taobao Network Co.,Ltd

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: 尚硅谷官网-大模型培训|嵌入式培训|人工智能培训||python培训|Java培训
Description: 尚硅谷开设：大模型培训、嵌入式培训、人工智能培训、python培训、物联网培训、AI培训、java培训、智能体培训等IT培训方向，是业内口碑闻名的IT培训机构。
Language: zh-cn
Canonical: https://www.atguigu.com

Technology

Server: ESA

Third-party hosts loaded (2)

g.alicdn.com×2
aqyzmedia.yunaq.com×1

Contact

Phone

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2013-02-01

Expires

2027-02-01 258 days left

Updated

2026-01-02

Name servers

kanchenjunga.ns.atrustdns.com
malawi.ns.atrustdns.com

DNS records live

NS

kanchenjunga.ns.atrustdns.com
malawi.ns.atrustdns.com

MX

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

TXT

google-site-verification=5JrNXwyGZ99imwtNlpy55wHZ_kYlUzJLJrUHUmp7-H4

Email authentication weak

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

Certificate (current)

Encryption Everywhere DV TLS CA - G2

from 2025-11-25 to 2026-11-25

Expires in 190 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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