indexo.dev

vivijiaoyu.com

.com crawl

First seen 2026-04-28 · Last seen 2026-05-18 · ok HTTP/1.1 200 1276 ms crawled 2026-05-06

CN · 112.126.28.14 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
VIVI电力培训

Technology

Server
nginx
CMS
Gatsby

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Created
2022-01-11
Expires
2027-01-11 236 days left
Updated
2024-07-31
Name servers
  • dns17.hichina.com
  • dns18.hichina.com

DNS records live

NS
  • dns17.hichina.com
  • dns18.hichina.com
MX
  • 10 mx2.qiye.aliyun.com
  • 15 mx3.qiye.aliyun.com
  • 5 mx1.qiye.aliyun.com

Email authentication partial

SPF
v=spf1 include:spf.qiye.aliyun.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2
from 2026-02-25 to 2026-05-26
Expires in 6 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://vivijiaoyu.com/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (3)

Linked from (1)