indexo.dev

curtain21.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 3125 ms crawled 2026-05-08

JP · 108.61.182.135 · AS20473 The Constant Company, LLC

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
激安オーダーカーテン｜おしゃれ北欧カーテン通販『カーテン２１』
Description
激安オーダーカーテン通販「カーテン21」！メーカー工場直販で安くて高品質。人気の北欧、花柄、遮光カーテンを多数取り揃え！幅・高さを1cm単位でサイズ指定可能のおしゃれオーダーカーテン専門店、全品送料無料。
Language
ja-JP
Canonical
https://www.curtain21.com

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.googletagmanager.com×2
  • www.mutukistyle.com×1

Contact

Phone

Registration

Registrar
GMO Internet Group, Inc. d/b/a Onamae.com
Created
2017-04-20
Expires
2027-04-20 333 days left
Updated
2026-03-21
Name servers
  • ns1.value-domain.com
  • ns2.value-domain.com
  • ns3.value-domain.com
  • ns4.value-domain.com
  • ns5.value-domain.com

DNS records live

NS
  • ns1.value-domain.com
  • ns2.value-domain.com
MX
  • 1 mx1.larksuite.com
  • 10 mx3.larksuite.com
  • 5 mx2.larksuite.com
TXT
  • verification-code-site-App_lark=9qxLykNiDVjrCa4YbR7U
  • v=9pgnvsy01t8rbxwltfrl0sfm7l7tflzj

Email authentication weak

SPF
v=spf1 +include:spf.onlarksuite.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

ZeroSSL RSA Domain Secure Site CA
from 2026-03-30 to 2026-06-29
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.curtain21.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15768000

Links to (1)

Linked from (1)