indexo.dev

zettelkasten.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-13 · ok HTTP/1.1 200 795 ms crawled 2026-05-13

DE · 83.223.95.12 · AS8875 sinma GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Zettelkasten knowledge and info management • Zettelkasten Method
Description
A Zettelkasten is a personal tool for thinking and writing that creates an interconnected web of thought. Its emphasis is on connection and not mere collection of ideas.
Language
en
Feeds

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×3
  • cdn.telemetrydeck.com×1
  • www.google.com×1

Social

Registration

Updated
2013-09-30
Name servers
  • dns1.hostsharing.net.
  • dns2.hostsharing.net.
  • dns3.hostsharing.net.

DNS records live

NS
  • dns1.hostsharing.net
  • dns2.hostsharing.net
  • dns3.hostsharing.net
MX
  • 30 mailin1.hostsharing.net
  • 30 mailin2.hostsharing.net
  • 30 mailin3.hostsharing.net
TXT
  • google-site-verification=Y9FYMSHqxwU_WXTKGY-USF6AFI7z9O2TfN-DtatFBEs

Email authentication weak

SPF
v=spf1 include:spf.hostsharing.net -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1; h=sha256; k=rsa; s=email; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzaRmzp3SL7UU82QsXVKzLPdnP08Y/wXMry1Itmhg/6M0FMhRHsqQ/1N8DUL…
selectors probed

Certificate (current)

E8
from 2026-03-22 to 2026-06-20
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://zettelkasten.de/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=15552000; includeSubDomains

Links to (2)

Linked from (1)