indexo.dev

leleketang.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 3317 ms crawled 2026-05-18

CN · 154.8.155.14 · AS45090 Shenzhen Tencent Computer Systems Company Limited

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
乐乐课堂，每天进步多一点！

Technology

Server
nginx

Contact

Email
Phone

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2013-11-18
Expires
2033-11-18 2740 days left
Updated
2025-04-27
Name servers
  • ns3.dnsv4.com
  • ns4.dnsv4.com

DNS records live

NS
  • ns3.dnsv4.com
  • ns4.dnsv4.com
MX
  • 10 mxbiz2.qq.com
  • 5 mxbiz1.qq.com

Email authentication weak

SPF
v=spf1 include:spf.mail.qq.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

DNSPod DV TLS RSA CA 2025
from 2025-11-07 to 2026-11-07
Expires in 172 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (6)