geekbi.com

.com crawl

First seen 2026-04-11 · Last seen 2026-04-29 · ok HTTP/1.1 200 152 ms crawled 2026-05-19

SG · 43.174.224.140 · AS139341 ACE

Reputation 87/100 weak security headers no dmarc policy

Classifying

Technology

Server
EdgeOne_L7S_OC

Registration

Registrar
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Created
2023-08-04
Expires
2026-08-04 74 days left
Updated
2026-05-11
Name servers
  • ns1.qeodns.com
  • ns2.qeodns.com

DNS records live

NS
  • ns1.qeodns.com
  • ns2.qeodns.com
MX
  • 1 mx1.feishu.cn
  • 10 mx3.feishu.cn
  • 5 mx2.feishu.cn
TXT
  • verification-code-site-App_feishu=Ce1GUadLSpeM0mDJeGw7
  • WqzDlBfv6ezTUj6mNEBxXbndJCrjPD8sG6AxzHQmTrd

Email authentication weak

SPF
v=spf1 +include:_netblocks.m.feishu.cn -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

TrustAsia DV TLS RSA CA 2025
from 2026-05-06 to 2026-08-04
Expires in 74 days

HTTP security headers

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

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

Linked from (1)