indexo.dev

sumei.com

.com ok HTTP/1.1 200 3556 ms

First seen 2026-05-29 · Last seen 2026-06-14 · crawled 2026-06-14

US · 104.21.86.249 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector manufacturing type homepage

HTML metadata

Title
SUMEI CHEMICAL CO., LTD.
Description
Established in 1971, Sumei is a leader in the research and manufacture of polymer resins. Our products include acrylic, polyurethane, and ultra-violet curing resins for the adhesive, coating, printing, textile, and specialty chemical industries.
Language
en
Canonical
https://www.sumei.com/
Translations
  • zh ×2
  • en

Open Graph

url
https://www.sumei.com/
title
SUMEI CHEMICAL CO., LTD.
site name
SUMEI CHEMICAL CO., LTD.
description
Established in 1971, Sumei is a leader in the research and manufacture of polymer resins. Our products include acrylic, polyurethane, and ultra-violet curing resins for the adhesive, coating, printing, textile, and specialty chemical industries.

Technology

CDN
Cloudflare
jQuery
1.12.4 known XSS (<3.5)
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • system21.webtech.com.tw×44
  • www.googletagmanager.com×1

Social

Registration

Registrar
DomainSpot LLC
Created
2003-12-06
Expires
2027-12-06 532 days left
Updated
2025-12-09
Name servers
  • alexia.ns.cloudflare.com
  • mitchell.ns.cloudflare.com

DNS records live

NS
  • alexia.ns.cloudflare.com
  • mitchell.ns.cloudflare.com
MX
  • 0 mxs.mailcloud.com.tw

Email authentication weak

SPF
v=spf1 include:_spf.mailcloud.com.tw ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-06-04 to 2026-09-02
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sumei.com/

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

Links to (6)

Linked from (1)

Use this data via API

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curl "https://indexo.dev/api/v1/domains/sumei.com" \
  -H "X-API-Key: idx_..."

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