indexo.dev

izutsuya.io

.io crawl

First seen 2026-04-21 · Last seen 2026-05-18 · ok HTTP/1.1 200 5003 ms crawled 2026-05-15

JP · 183.90.237.3 · AS131965 Xserver Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
IZUTSUYA Inc.IZUTSUYA
Language
ja
Generator
All in One SEO (AIOSEO) 4.8.1.1
Canonical
https://izutsuya.io/

Open Graph

url
https://izutsuya.io/
title
IZUTSUYA Inc.
locale
ja_JP
site name
IZUTSUYA -
description
CHOICES, NOT BOUNDARIES デジタルフロンティアを切り開き、”境界を超えた選択肢” を創造

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Adobe Fonts

Third-party hosts loaded (6)

  • www.googletagmanager.com×2
  • ajax.googleapis.com×1
  • cdn.jsdelivr.net×1
  • cdnjs.cloudflare.com×1
  • lumalabs.ai×1
  • use.typekit.net×1

Social

DNS records live

NS
  • ns1.xserver.jp
  • ns2.xserver.jp
  • ns3.xserver.jp
  • ns4.xserver.jp
  • ns5.xserver.jp
MX
  • 0 izutsuya.io

Email authentication weak

SPF
v=spf1 +a:sv7162.xserver.jp +a:izutsuya.io +mx include:spf.sender.xserver.jp ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwcIujkgu4HHQbIRvvVrNcTh9AHYuX/2scuhv4q1YCL7eoLrtxPwGRm73DaA2m1dpxRA0k4JdNXAfSn…
selectors probed

Certificate (current)

R12
from 2026-05-11 to 2026-08-09
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://izutsuya.io/

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

Links to (6)

Linked from (2)