chulabookcourse.com

.com crawl

First seen 2026-04-19 · Last seen 2026-05-13 · ok HTTP/1.1 200 7742 ms crawled 2026-05-13

TH · 103.91.190.89 · AS136523 COLODEE DIGITAL NETWORK CO.,LTD.

Reputation 95/100 weak security headers

sector education type homepage

HTML metadata

Title: Chulabook Course
Description: Chulabook Course

Open Graph

url: https://www.chulabookcourse.com/
title: Chulabook Course
site name: www.chulabookcourse.com
description: Chulabook Course

Technology

Server: nginx
CMS: Gatsby

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (6)

fonts.googleapis.com×4
cdn.omise.co×1
meet.jit.si×1
player.vdocipher.com×1
t.2c2p.com×1
www.googletagmanager.com×1

Social

Contact

Phone

Registration

Registrar

Web Commerce Communications Limited dba WebNic.cc

Created

2020-07-30

Expires

2030-07-30 1532 days left

Updated

2025-07-29

Name servers

cloe.ns.cloudflare.com
jerry.ns.cloudflare.com

DNS records live

NS

cloe.ns.cloudflare.com
jerry.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-09-03 to 2026-10-05

Expires in 138 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (4)

Linked from (1)

chulabook.com×2