learnku.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-12 · ok HTTP/1.1 200 3814 ms crawled 2026-05-05

CN · 117.50.42.115 · AS4808 China Unicom Beijing Province Network

Reputation 95/100 weak security headers

sector tech type forum

HTML metadata

Title: LearnKu 终身编程者的知识社区
Description: 专为终身学习者定制的编程知识社区
Language: zh

Technology

Server: nginx

Contact

Phone

44030502004330

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2016-10-01

Expires

2027-10-01 500 days left

Updated

2025-02-19

Name servers

dns7.hichina.com
dns8.hichina.com

DNS records live

NS

dns7.hichina.com
dns8.hichina.com
f1g1ns1.dnspod.net

MX

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

TXT

google-site-verification=85UkBwstxChvTvHsu4khsxeoZD1QAXQE-ioqY5HmIIk
google-site-verification=dAqT-jR4SajfiaqKc5PzYkV3K41Wh5dfKoYiOxHLrAc

Certificate (current)

R12

from 2026-03-08 to 2026-06-06

Expires in 18 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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