indexo.dev

121down.com

.com crawl

First seen 2026-04-11 · Last seen 2026-04-29 · ok HTTP/1.1 200 1468 ms crawled 2026-05-18

CN · 120.46.74.29 · AS55990 Huawei Cloud Service data center

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
上海乔慧通信息技术有限公司
Language
zh

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • ai-public.mastergo.com×5
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Contact

Phone

Registration

Registrar
22net, Inc.
Created
2014-01-22
Expires
2027-01-22 248 days left
Updated
2026-04-28
Name servers
  • ns1.bdydns.cn
  • ns2.bdydns.cn

DNS records live

NS
  • ns1.bdydns.cn
  • ns2.bdydns.cn

Email authentication no MX

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

Certificate (current)

sslTrus (RSA) DV CA
from 2025-02-22 to 2026-02-23
Expired 85 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://121down.com/

present
  • strict-transport-security
findings
  • checked over plain HTTP
  • 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

Linked from (1)