indexo.dev

chemindex.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-14 · ok HTTP/1.1 200 5060 ms crawled 2026-05-05

CN · 222.73.8.48 · AS4811 China Telecom Group

Reputation 95/100 weak security headers

sector b2b services type homepage

HTML metadata

Title
ChemIndex - a free chemical CAS search database
Description
A free chemical CAS search database with chemical suppliers directory provided by ChemIndex

Technology

Server
nginx
CMS
Gatsby

Registration

Registrar
Xiamen 35.com Information Co., Ltd.
Created
2001-03-22
Expires
2027-03-21 305 days left
Updated
2026-02-03
Name servers
  • ns1.chinanetsun-dns.com
  • ns2.chinanetsun-dns.com

DNS records live

NS
  • ns1.chinanetsun-dns.com
  • ns2.chinanetsun-dns.com
MX
  • 10 gw.hi2000.com
TXT
  • v=spf1 include:spf.chinanetsun.com -all
  • google-site-verification=0rYueNkA0ZY0o9GYwI8oLQuiVvW_kOC1oJ3jEvXea8w

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2025-09-25 to 2026-09-25
Expires in 128 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.chemindex.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 (16)