joa-jco.com

.com crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 6380 ms crawled 2026-06-01

JP · 133.242.138.191 · AS7684 SAKURA Internet Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title

ジャパン・カレッジ・オブ・オステオパシー - JOAの教育機関として1992年開校で30年の実績　JOFの唯一の認定校　多くの卒業生が業界で活躍中

Description

JOAの教育機関として1992年開校で30年の実績　JOFの唯一の認定校　多くの卒業生が業界で活躍中

Language

Generator

WordPress Download Manager 3.3.54

Canonical

https://www.joa-jco.com/

Feeds

Open Graph

url: https://www.joa-jco.com/
title: ジャパン・カレッジ・オブ・オステオパシー
locale: ja
site name: ジャパン・カレッジ・オブ・オステオパシー
description: JOAの教育機関として1992年開校で30年の実績　JOFの唯一の認定校　多くの卒業生が業界で活躍中

Technology

Server: nginx
CMS: WordPress
PHP: 8.2.31 security-only

Analytics

Google Tag Manager

Ads

Meta Pixel

Third-party hosts loaded (6)

c0.wp.com×11
i0.wp.com×11
stats.wp.com×2
www.google.com×2
connect.facebook.net×1
www.googletagmanager.com×1

Social

Contact

Phone

0353449059

Registration

Registrar

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

Created

1998-12-21

Expires

2026-12-21 201 days left

Updated

2025-12-07

Name servers

ns1.joa-jco.com
ns2.joa-jco.com

DNS records live

NS

ns1.joa-jco.com
ns2.joa-jco.com

MX

10 mail.joa-jco.com

Email authentication strong

SPF

v=spf1 +a +mx +a:sakura2.nozomi-office.biz -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; adkim=s; aspf=s

policy: quarantine

DKIM

default: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7eNnJ/ua1QIT0AyxribGd5iQE4PFAXYGb0X4ilRXKTPVyC9P5hbJxhJwFAChpJM98CXOP13t9ltryzwg3lI50…

selectors probed

Certificate (current)

R13

from 2026-04-21 to 2026-07-20

Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://www.joa-jco.com/

present

permissions-policy

findings

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

Header values

permissions-policy: private-state-token-redemption=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com"), private-state-token-issuance=(self "https://www.google.com" "https://www.gstatic.com" "https://recaptcha.net" "https://challenges.cloudflare.com" "https://hcaptcha.com")