indexo.dev

cltt.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 2949 ms crawled 2026-05-19

CN · 61.170.81.55 · AS4812 China Telecom Group

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
国家普通话水平测试网

Technology

Server
Tengine

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2010-06-08
Expires
2027-06-08 383 days left
Updated
2025-01-20
Name servers
  • ns3.dnsv3.com
  • ns4.dnsv3.com

DNS records live

NS
  • ns3.dnsv3.com
  • ns4.dnsv3.com
CNAME
  • www.cltt.org.w.kunluncan.com
Verified for
  • GlobalSign

Email authentication no MX

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

Certificate (current)

vTrus DV SSL CA G2
from 2025-05-29 to 2026-06-28
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://cltt.org/

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

Linked from (1)