janmonschke.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-07 · ok HTTP/1.1 200 841 ms crawled 2026-05-10

US · 104.21.16.29 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Blog | Jan Monschke
Description
The portfolio and blog of Jan Monschke
Language
en
Feeds

Open Graph

site name
Jan Monschke - Developer Blog
description
The portfolio and blog of Jan Monschke

Technology

CDN
Cloudflare

Third-party hosts loaded (4)

  • webmention.io×2
  • github.com×1
  • selfless-exploration.up.railway.app×1
  • social.lol×1

Social

Registration

Registrar
Cloudflare, Inc.
Created
2010-10-11
Expires
2026-10-11 143 days left
Updated
2025-09-11
Name servers
  • cody.ns.cloudflare.com
  • connie.ns.cloudflare.com

DNS records live

NS
  • cody.ns.cloudflare.com
  • connie.ns.cloudflare.com
MX
  • 10 in1-smtp.messagingengine.com
  • 20 in2-smtp.messagingengine.com

Email authentication weak

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

Certificate (current)

WE1
from 2026-05-06 to 2026-08-04
Expires in 76 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://janmonschke.com/

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

Links to (8)

Linked from (1)