indexo.dev

cmichel.io

.io crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 503 ms crawled 2026-06-02

DE · 35.157.26.135 · AS16509 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
cmichel
Description
Christoph Michel's blog about software engineering and business.
Language
en
Generator
Gatsby 3.15.0
Canonical
https://cmichel.io
Feeds

Open Graph

url
https://cmichel.io
site name
cmichel
description
Christoph Michel's blog about software engineering and business.

Technology

CDN
Netlify
CMS
Gatsby 3.15.0
Analytics
  • Google Analytics
Social widgets
  • Twitter Widget

Third-party hosts loaded (3)

  • d33wubrfki0l68.cloudfront.net×6
  • www.google-analytics.com×2
  • platform.twitter.com×1

DNS records live

NS
  • dns1.p03.nsone.net
  • dns2.p03.nsone.net
  • dns3.p03.nsone.net
  • dns4.p03.nsone.net
MX
  • 1 aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:servers.mcsv.net ?all
neutral (?all)
DMARC
not published
DKIM
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
selectors probed

Certificate (current)

E7
from 2026-04-16 to 2026-07-15
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://cmichel.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 (4)

Linked from (1)

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