indexo.dev

k-daiken.net

.net crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 2749 ms crawled 2026-06-01

JP · 85.131.210.4 · AS131965 Xserver Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
鉄骨工事・鍛冶工事・鋼構造物工事一式請負｜株式会社 大建
Description
株式会社大建は、鉄骨工事の専門会社です。主要構造体である鉄筋コンクリート造（RC造）、鉄骨造（S造）、鉄骨鉄筋コンクリート造（SRC造）の鉄骨工事を加工から現場建方まで請け負っております。
Language
ja
Canonical
https://www.k-daiken.net/
Feeds

Technology

Server
nginx
CMS
WordPress

Contact

Phone

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2017-11-24
Expires
2026-11-24 175 days left
Updated
2025-10-25
Name servers
  • ns1.xbiz.ne.jp
  • ns2.xbiz.ne.jp
  • ns3.xbiz.ne.jp

DNS records live

NS
  • ns1.xbiz.ne.jp
  • ns2.xbiz.ne.jp
  • ns3.xbiz.ne.jp
MX
  • 0 k-daiken.net

Email authentication weak

SPF
v=spf1 +a:sv823.xbiz.ne.jp +a:k-daiken.net +mx include:spf.sender.xserver.jp ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jOF2KVHZl4oIYaLLMAdrSSwPjv0zXlA+iyyIbNnlEClyuOuu2K0jzjSQuKbzspPgKZ/U4zV5uESkf…
selectors probed

Certificate (current)

R12
from 2026-04-22 to 2026-07-21
Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.k-daiken.net/

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

Linked from (2)