seibundo-shinkosha.net

.net crawl

First seen 2026-04-20 · Last seen 2026-05-16 · ok HTTP/1.1 200 3526 ms crawled 2026-05-13

JP · 52.195.86.208 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: 株式会社誠文堂新光社 | あなたの「好き」を、もっと深いところまで。そんな思いで１００年。
Language: ja
Canonical: https://www.seibundo-shinkosha.net

Open Graph

url: https://www.seibundo-shinkosha.net
title: 株式会社誠文堂新光社 | あなたの「好き」を、もっと深いところまで。そんな思いで１００年。
site name: 株式会社誠文堂新光社

Technology

Server: Apache
CMS: WordPress

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×2

Social

Contact

Phone

2025-02-18 07

Registration

Registrar

GMO Internet Group, Inc. d/b/a Onamae.com

Created

2007-01-10

Expires

2027-01-10 234 days left

Updated

2025-12-25

Name servers

01.dnsv.jp
02.dnsv.jp
03.dnsv.jp
04.dnsv.jp

DNS records live

NS

01.dnsv.jp
02.dnsv.jp
03.dnsv.jp
04.dnsv.jp

Email authentication no MX

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

Certificate (current)

from 2026-05-10 to 2026-08-08

Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.seibundo-shinkosha.net/

present

x-frame-options
x-content-type-options

findings

missing HSTS
missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff