indexo.dev

tokaiopt.com

.com crawl

First seen 2026-05-30 · Last seen 2026-05-31 · ok HTTP/1.1 200 2933 ms crawled 2026-05-31

JP · 183.90.231.148 · AS131965 Xserver Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Tokai Optical Co., Ltd.
Language
en

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.googletagmanager.com×1
  • www.tokaiopt.co.jp×1

Registration

Registrar
Japan Registry Services Co., Ltd.
Created
2000-05-31
Expires
2027-05-31 364 days left
Updated
2026-03-25
Name servers
  • ns1.xbiz.ne.jp
  • ns2.xbiz.ne.jp
  • ns3.xbiz.ne.jp

DNS records live

NS
  • ns1.xbiz.ne.jp
  • ns2.xbiz.ne.jp
  • ns3.xbiz.ne.jp
MX
  • 0 tokaiopt.com

Email authentication weak

SPF
v=spf1 +a:sv367.xbiz.ne.jp +a:tokaiopt.com +mx include:spf.sender.xserver.jp ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx4kEKomQ7T2wRe+u7t9RrCVCktirqjrnBUMruXpYQOfQnD6pQADMVgJiYv18pIK4eqTioJpS49LEs1…
selectors probed

Certificate (current)

R13
from 2026-05-15 to 2026-08-13
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)