逆seoとは.net

.net crawl

First seen 2026-05-08 · Last seen 2026-05-19 · ok HTTP/1.1 200 2590 ms crawled 2026-05-14

JP · 183.90.232.29 · AS131965 Xserver Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: 逆SEO対策とは | WEB広報
Description: 「逆SEO対策」（ぎゃくエスイーオー）とは、不当な「成りすましサイト」「Fakeサイト」が、会社名検索や個人名検索の上位に進出するのを防ぐ対策です。悪質なコンテンツやSNS投稿の検索順位を下げます。個人情報の流出・暴露や誹謗中傷サイトの検索順位引き下げにも役立ちます。
Language: ja

Technology

Server: nginx

Third-party hosts loaded (1)

ajax.googleapis.com×1

Contact

Address: Copyright©株式会社WEB広報

Registration

Registrar

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

Created

2012-11-16

Expires

2026-11-16 178 days left

Updated

2025-10-31

Name servers

ns1.xserver.jp
ns2.xserver.jp
ns3.xserver.jp
ns4.xserver.jp
ns5.xserver.jp

DNS records live

NS

ns1.xserver.jp
ns2.xserver.jp
ns3.xserver.jp
ns4.xserver.jp
ns5.xserver.jp

MX

0 xn--seo-yb4b9az743j.net

Email authentication weak

SPF: v=spf1 +a:sv1228.xserver.jp +a:xn--seo-yb4b9az743j.net +mx include:spf.sender.xserver.jp ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-03-18 to 2026-06-16

Expires in 26 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://xn--seo-yb4b9az743j.net/

findings

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