indexo.dev

golddragonoptics.com

.com crawl

First seen 2026-04-28 · Last seen 2026-05-18 · ok HTTP/1.1 200 976 ms crawled 2026-05-06

CN · 121.42.81.89 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
长春市金龙光电科技有限责任公司
Description
长春市金龙光电科技有限责任公司
Language
zh-CN

Technology

Server
nginx

Third-party hosts loaded (1)

  • sdk.51.la×1

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2005-01-04
Expires
2028-01-04 594 days left
Updated
2026-03-27
Name servers
  • dns10.hichina.com
  • dns9.hichina.com

DNS records live

NS
  • dns10.hichina.com
  • dns9.hichina.com
MX
  • 10 mx.263.net
  • 5 mxw.263.net

Email authentication partial

SPF
v=spf1 include:spf.263xmail.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2025-12-10 to 2026-12-10
Expires in 204 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (2)