indexo.dev

huagongyuan-gas.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 3258 ms crawled 2026-05-19

CN · 114.80.215.235 · AS4811 China Telecom Group

Reputation 45/100 listed in spam blocklist wrong cert weak security headers

Classifying

HTML metadata

Title
制氮机_上海制氮机厂家 - 上海过程与装备研究所
Description
上海化工研究院是一家专注于国产制氮机设备研发与生产的厂家，过程与装备研究所从1970年开始从事PSA技术研发，主要包括制氮机、变压吸附制氮机、PSA制氮机、模块化制氮机等产品，欢迎广大用户前来咨询。

Technology

Server
Apache
CMS
Gatsby

Registration

Registrar
Shanghai Meicheng Technology Information Development Co., Ltd.
Created
2022-07-21
Expires
2026-07-21 61 days left
Updated
2025-07-07
Name servers
  • a.ezdnscenter.com
  • b.ezdnscenter.com

DNS records live

NS
  • a.ezdnscenter.com
  • b.ezdnscenter.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current) wrong cert

Default Company Ltd
from 2017-03-21 to 2018-03-21
Expired 2983 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked over plain HTTP: http://www.huagongyuan-gas.com/

present
  • x-frame-options
findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (11)

Linked from (10)