indexo.dev

gu-coltd.com

.com crawl

First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 1213 ms crawled 2026-05-31

JP · 133.242.76.117 · AS7684 SAKURA Internet Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
株式会社GU
Description
事業用不動産
Language
ja

Open Graph

url
https://gu-coltd.com/
title
株式会社GU
site name
株式会社GU
description
事業用不動産

Technology

Server
nginx
Stack
PHP
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • image.estate.sesh.jp×4
  • www.google.com×1
  • www.googletagmanager.com×1

Contact

Phone
Address
〒542-0073大阪市中央区日本橋1丁目9番15号 ＲＩＨＩＴＯ日本橋１階TEL:06-6537-7580FAX:06-6537-7581

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2018-01-15
Expires
2027-01-15 227 days left
Updated
2025-12-30
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
MX
  • 10 gu-coltd.sakura.ne.jp

Email authentication weak

SPF
v=spf1 mx +ip4:133.242.76.118 a:www3354.sakura.ne.jp -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-13 to 2026-07-12
Expires in 40 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://gu-coltd.com/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31536000

Links to (1)

Linked from (1)