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denkeni.org

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First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 250 ms crawled 2026-06-04

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Denken Chen
Language
en

Technology

CDN
Fastly
Server
GitHub.com

Third-party hosts loaded (3)

  • pbs.twimg.com×2
  • 1.gravatar.com×1
  • cdnjs.cloudflare.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2013-11-20
Expires
2026-11-20 162 days left
Updated
2025-10-26
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com
MX
  • 10 mx1.privateemail.com
  • 10 mx2.privateemail.com

Email authentication weak

SPF
v=spf1 include:spf.privateemail.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-23 to 2026-07-22
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://denkeni.org/

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)

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