geekbi.com
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=Ce1GUadLSpeM0mDJeGw7WqzDlBfv6ezTUj6mNEBxXbndJCrjPD8sG6AxzHQmTrd
Email authentication weak
- SPF
-
v=spf1 +include:_netblocks.m.feishu.cn -allstrict (-all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
TrustAsia DV TLS RSA CA 2025
Expires in 74 days
HTTP security headers
- findings
-
- missing HSTS
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy