indexo.dev

koei-con.com

.com crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 2840 ms crawled 2026-06-01

JP · 103.14.12.15 · AS58788 Chiroro-Net Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
興栄建設株式会社｜秋田県大仙市の建設業（鋼構造物・建築・土木一式）
Description
秋田県大仙市の興栄建設株式会社は、鉄骨製造を主体とした総合建設会社です。鐵構部門では、首都圏や東北地方のビルや工場など大型建造物向けの鉄骨製造を行っており、土木部門は、県内のほ場や下水道、道路など幅広い工事に対応しています。
Language
ja

Technology

Server
nginx
PHP
8.3.31 security-only
jQuery
1.11.1 known XSS (<3.5)
Ads
  • Meta Pixel
Fonts
  • Font Awesome

Third-party hosts loaded (5)

  • scontent-itm1-1.cdninstagram.com×19
  • ajax.googleapis.com×1
  • connect.facebook.net×1
  • use.fontawesome.com×1
  • www.google.com×1

Social

Contact

Phone

Registration

Registrar
OnlineNIC, Inc.
Created
2007-04-03
Expires
2027-04-03 303 days left
Updated
2026-05-24
Name servers
  • domain.name-server.jp
  • root.name-server.jp

DNS records live

NS
  • domain.name-server.jp
  • root.name-server.jp
MX
  • 10 mail.koei-con.com

Email authentication weak

SPF
v=spf1 +ip4:103.14.12.15 mx ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-29 to 2026-07-28
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://koei-con.com/

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

Links to (3)

Linked from (1)