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learnpythonthehardway.org

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First seen 2026-04-20 · Last seen 2026-05-14 · ok HTTP/1.1 200 2947 ms crawled 2026-05-14

DE · 138.201.193.136 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Learn Python the Hard Way

Technology

Server
Caddy
Analytics
  • Google Analytics
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • ajax.googleapis.com×1
  • fonts.googleapis.com×1
  • www.google-analytics.com×1

Social

Registration

Registrar
Gandi SAS
Created
2010-04-24
Expires
2027-04-24 339 days left
Updated
2026-03-23
Name servers
  • ns-128-a.gandi.net
  • ns-161-b.gandi.net
  • ns-235-c.gandi.net

DNS records live

NS
  • ns-128-a.gandi.net
  • ns-161-b.gandi.net
  • ns-235-c.gandi.net
MX
  • 0 mail.learnpythonthehardway.org
TXT
  • google-site-verification=cLR4wJ3IawDwlLUiukZHtE_PT8945iGukwu78gTpefg

Email authentication weak

SPF
v=spf1 include:mail.zendesk.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-21 to 2026-07-20
Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (2)