indexo.dev

zzinfo.org

.org crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 5018 ms crawled 2026-05-15

CN · 121.41.42.220 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 100/100

Classifying

HTML metadata

Title
郑州SEO_郑州网站优化-15年SEO顾问培训【宋建网络营销系统】
Description
郑州SEO宋建博客，长期致力于郑州SEO、郑州网站优化的研究，诚信、专业、高效为企业提供SEO优化、SEO诊断、SEO排名、SEO顾问、SEO外包、SEO培训等服务★★★★★
Feeds

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (3)

  • pub.idqqimg.com×2
  • apps.bdimg.com×1
  • mp.weixin.qq.com×1

Registration

Registrar
Xin Net Technology Corporation
Created
2011-05-15
Expires
2027-05-15 360 days left
Updated
2026-04-20
Name servers
  • uma.ns.cloudflare.com
  • uriah.ns.cloudflare.com

DNS records live

NS
  • uma.ns.cloudflare.com
  • uriah.ns.cloudflare.com
TXT
  • 251144553-276444865

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-15 to 2026-07-14
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.zzinfo.org/

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 (2)

Linked from (1)