youkosozitsuryoku.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-12 · ok HTTP/1.1 200 182 ms crawled 2026-05-08

US · 3.164.68.129 · 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』公式サイト
Description: 希望する進学、就職先にほぼ１００％応えるという高度育成高等学校。毎月１０万円相当のポイントが支給され髪型や私物の持ち込みも自由。だがその正体は優秀な者が好待遇を受けられる実力至上主義の学校で……!?　あの衣笠彰梧×トモセシュンサク最新作！

Open Graph

url: http://youkosozitsuryoku.com/
title: MF文庫J『ようこそ実力至上主義の教室へ』公式サイト
site name: ようこそ実力至上主義の教室へ
description: 2017年7月TVアニメ放送開始！　MF文庫J『ようこそ実力至上主義の教室へ』公式サイト

Technology

CDN: Amazon CloudFront
Server: AmazonS3

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (2)

fonts.googleapis.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

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

Created

2015-04-09

Expires

2035-04-09 3245 days left

Updated

2026-03-13

Name servers

ns-1151.awsdns-15.org
ns-1575.awsdns-04.co.uk
ns-447.awsdns-55.com
ns-532.awsdns-02.net

DNS records live

NS

ns-1151.awsdns-15.org
ns-1575.awsdns-04.co.uk
ns-447.awsdns-55.com
ns-532.awsdns-02.net

Email authentication no MX

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

Certificate (current)

Amazon RSA 2048 M01

from 2025-12-24 to 2027-01-23

Expires in 247 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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