indexo.dev

838dz.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 11570 ms crawled 2026-05-18

CN · 116.255.134.131 · AS4837 CHINA UNICOM China169 Backbone

Reputation 100/100

Classifying

HTML metadata

Title
838电子-贴片电子元件丝印查询-电路图-技术资料下载-基础-原理-维修-参数
Description
838电子提供电路图，marking贴片电子元件丝印查询-电路图-技术资料下载-基础-原理-维修-参数-丝印反查,基础知识,音响功放图纸维修手册,三极管参数，符号
Canonical
https://www.838dz.com/

Technology

Server
nginx

Third-party hosts loaded (1)

  • cpro.baidustatic.com×1

Registration

Registrar
Xin Net Technology Corporation
Created
2007-11-11
Expires
2027-11-11 540 days left
Updated
2025-10-12
Name servers
  • ns19.xincache.com
  • ns20.xincache.com

DNS records live

NS
  • ns19.xincache.com
  • ns20.xincache.com

Email authentication no MX

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

Certificate (current)

GoGetSSL RSA DV SSL CA 2
from 2025-11-03 to 2026-12-04
Expires in 198 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.838dz.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=31536000

Links to (6)

Linked from (1)