youkosozitsuryoku-3rd.com

.com crawl

First seen 2026-04-17 · Last seen 2026-05-08 · ok HTTP/1.1 200 1558 ms crawled 2026-05-12

US · 3.164.68.7 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: MF文庫J『ようこそ実力至上主義の教室へ 3年生編』
Description: MF文庫Jの大人気作品『ようこそ実力至上主義の教室へ３年生編』スタート。　さあ、本当の実力主義を始めよう。
Language: ja

Open Graph

url: https://youkosozitsuryoku-3rd.com/
title: MF文庫J『ようこそ実力至上主義の教室へ 3年生編』
site name: MF文庫J『ようこそ実力至上主義の教室へ 3年生編』
description: MF文庫Jの大人気作品『ようこそ実力至上主義の教室へ３年生編』スタート。　さあ、本当の実力主義を始めよう。

Technology

CDN: Amazon CloudFront
Server: AmazonS3

Analytics

Google Tag Manager

Fonts

Google Fonts

Social widgets

Twitter Widget

Third-party hosts loaded (4)

fonts.googleapis.com×3
cdnjs.cloudflare.com×1
platform.twitter.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

GMO Internet Group, Inc. d/b/a Onamae.com

Created

2025-01-21

Expires

2035-01-21 3167 days left

Updated

2025-09-24

Name servers

ns-1386.awsdns-45.org
ns-1629.awsdns-11.co.uk
ns-231.awsdns-28.com
ns-567.awsdns-06.net

DNS records live

NS

ns-1386.awsdns-45.org
ns-1629.awsdns-11.co.uk
ns-231.awsdns-28.com
ns-567.awsdns-06.net

Email authentication no MX

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

Certificate (current)

Amazon RSA 2048 M04

from 2025-12-29 to 2027-01-28

Expires in 252 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://youkosozitsuryoku-3rd.com/

findings

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