indexo.dev

zenpen.io

.io crawl

First seen 2026-04-12 · Last seen 2026-05-01 · ok HTTP/1.1 200 626 ms crawled 2026-05-06

DE · 63.176.8.218 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
ZenPen ~ Minimal Distraction, Maximum Zen
Description
Zenpen - A minimal text editor, made to stay out of the way while you get the words down.

Technology

CDN
Netlify
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

DNS records live

NS
  • dns1.p01.nsone.net
  • dns2.p01.nsone.net
  • dns3.p01.nsone.net
  • dns4.p01.nsone.net

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-28 to 2026-07-27
Expires in 69 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://zenpen.io/

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=31536000

Links to (1)

Linked from (1)