indexo.dev

sdutdeu.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-14 · ok HTTP/1.1 200 797 ms crawled 2026-05-14

US · 172.67.194.82 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
青岛艾瑞双元职业教育有限公司
Description
青岛艾瑞双元职业教育有限公司成立于2019年09月26日，注册地位于山东省青岛市崂山区海尔路195号上实中心7号楼502室，法定代表人为李鑫。经营范围包括一般项目：从事语言能力、艺术、、科技等培训的营利性民办培训服务机构（除面向中小学生开展的学科类、语言类文化教育培训）；组织文化艺术交流活动；教育咨询服务（不含涉许可审批的教育培训活动）；信息技术咨询服务；劳务服务（不含劳务派遣）；自费出国留学中介服务；因私出入境中介服务。（除依法须经批准的项目外，凭营业执照依法自主开展经营活动）
Language
zxx

Technology

CDN
Cloudflare
CMS
Gatsby

Registration

Registrar
July Name Limited
Created
2025-10-28
Expires
2026-10-28 162 days left
Updated
2026-03-07
Name servers
  • hunts.ns.cloudflare.com
  • jocelyn.ns.cloudflare.com

DNS records live

NS
  • hunts.ns.cloudflare.com
  • jocelyn.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E8
from 2026-05-05 to 2026-08-03
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (50)

Linked from (50)