indexo.dev

otsukapiano.com

.com crawl

First seen 2026-05-29 · Last seen 2026-05-29 · ok HTTP/1.1 200 4541 ms crawled 2026-05-31

JP · 49.212.243.109 · AS9371 SAKURA Internet Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
大塚ピアノ教室｜吹田市と摂津市のピアノ教室
Description
大塚ピアノ教室は大阪府吹田市千里丘上にある【千里丘教室】と 摂津市千里丘【岸辺教室】の2つの場所で個人ピアノレッスンを行っております。
Canonical
https://otsukapiano.com

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1

Third-party hosts loaded (1)

  • maps.google.com×1

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2020-03-05
Expires
2027-03-05 274 days left
Updated
2026-02-03
Name servers
  • ns1.dns.ne.jp
  • ns2.dns.ne.jp

DNS records live

NS
  • ns1.dns.ne.jp
  • ns2.dns.ne.jp
MX
  • 10 otsukapiano.com

Email authentication weak

SPF
v=spf1 a:www3599.sakura.ne.jp mx ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-08 to 2026-07-07
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)