indexo.dev

semm99.com

.com crawl

First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 4738 ms crawled 2026-05-15

CN · 123.57.187.84 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
实战就业竞价培训，一个让竞价新手快速入门的竞价课程-厚昌教育
Language
en-US

Technology

Server
nginx
CMS
WordPress

Third-party hosts loaded (2)

  • sdk.51.la×2
  • www.mysemlife.com×1

Contact

Phone

Registration

Registrar
Alibaba Cloud Computing (Beijing) Co., Ltd.
Created
2017-06-19
Expires
2026-06-19 30 days left
Updated
2025-04-19
Name servers
  • dns3.hichina.com
  • dns4.hichina.com

DNS records live

NS
  • dns3.hichina.com
  • dns4.hichina.com

Email authentication no MX

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

Certificate (current)

Certum Domain Validation CA SHA2
from 2025-05-10 to 2026-06-09
Expires in 20 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://semm99.com/

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

Links to (17)

Linked from (1)