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bunrigakuin.com

.com crawl

First seen 2026-05-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 7983 ms crawled 2026-05-19

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
文理学院｜小・中・高校生対象の学習塾なら文理学院へ
Description
文理学院は山梨、静岡で展開する小・中・高校生対象の学習塾です。中学生の「週3日５教科授業」を中心に、効率化・省力化の時代に逆らって生徒にきっちりと勉強する姿勢を作り出しています。
Canonical
https://www.bunrigakuin.com/

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • ajax.googleapis.com×1
  • www.googletagmanager.com×1

Registration

Registrar
Japan Registry Services Co., Ltd.
Created
2002-06-06
Expires
2027-06-06 381 days left
Updated
2026-05-18
Name servers
  • asns1.customer.ne.jp
  • asns2.customer.ne.jp

DNS records

MX
  • 10 v1300-143.mailsecure.jp

Email authentication partial

SPF
v=spf1 +ip4:157.65.165.143/32 ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

GlobalSign GCC R3 DV TLS CA 2020
from 2026-03-19 to 2026-10-04
Expires in 137 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)