indexo.dev

ryu-sen.com

.com crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 2199 ms crawled 2026-06-02

JP · 157.7.44.169 · AS7506 GMO Internet Group, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
流行宣言・R – 山本秀子が主宰する、神戸のダンススクール
Language
ja
Canonical
https://ryu-sen.com/

Technology

Server
Apache
CMS
WordPress
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×1
  • maxcdn.bootstrapcdn.com×1
  • www.google.com×1

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2007-07-01
Expires
2027-07-01 393 days left
Updated
2026-05-31
Name servers
  • dns0.heteml.jp
  • dns1.heteml.jp

DNS records live

NS
  • dns0.heteml.jp
  • dns1.heteml.jp
MX
  • 10 mx-proxy501.heteml.jp
  • 20 mx-proxy502.heteml.jp

Email authentication partial

SPF
v=spf1 include:_spf.heteml.jp ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

YR2
from 2026-06-01 to 2026-08-30
Expires in 89 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ryu-sen.com/

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

Links to (2)

Linked from (1)