indexo.dev

yoshitakaushiku.net

.net crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 234 ms crawled 2026-06-02

US · 172.67.185.160 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Yoshitaka Ushiku's homepage

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.googletagmanager.com×1
  • www.slideshare.net×1

Social

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2018-09-02
Expires
2026-09-02 91 days left
Updated
2019-12-25
Name servers
  • elsa.ns.cloudflare.com
  • kip.ns.cloudflare.com

DNS records live

NS
  • elsa.ns.cloudflare.com
  • kip.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google
  • Microsoft 365

Email authentication weak

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

Certificate (current)

WE1
from 2026-04-05 to 2026-07-04
Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://yoshitakaushiku.net/

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

Links to (8)

Linked from (1)