tulieulichsu.com

.com crawl

First seen 2026-04-28 · Last seen 2026-05-18 · ok HTTP/1.1 200 7012 ms crawled 2026-05-05

US · 104.21.71.11 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

sector education type homepage

HTML metadata

Title: Tư Liệu Lịch Sử
Description: Hành trình xuyên suốt thời gian - Truyền cảm hứng từ những trang lịch sử.
Language: vi
Canonical: https://tulieulichsu.com/

Open Graph

url: https://tulieulichsu.com/
title: Tư Liệu Lịch Sử
locale: vi-VN
site name: Tư Liệu Lịch Sử
description: Hành trình xuyên suốt thời gian - Truyền cảm hứng từ những trang lịch sử.

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights
Google Tag Manager

Ads

Google AdSense

Fonts

Google Fonts

Third-party hosts loaded (5)

fonts.googleapis.com×1
notification.beready.vn×1
pagead2.googlesyndication.com×1
static.cloudflareinsights.com×1
www.googletagmanager.com×1

Registration

Registrar

NameCheap, Inc.

Created

2023-05-13

Expires

2027-05-13 357 days left

Updated

2026-04-13

Name servers

nelly.ns.cloudflare.com
rick.ns.cloudflare.com

DNS records live

NS

nelly.ns.cloudflare.com
rick.ns.cloudflare.com

Verified for

Google

Certificate (current)

WE1

from 2026-03-09 to 2026-06-07

Expires in 18 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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