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nextjournal.com

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First seen 2026-05-08 · Last seen 2026-05-15 · ok HTTP/1.1 200 1585 ms crawled 2026-05-15

DE · 62.113.212.107 · AS47447 23M GmbH

Reputation 87/100 weak security headers no dmarc policy

sector tech type blog

HTML metadata

Title
Nextjournal

Open Graph

title
The notebook for reproducible research — Nextjournal
site name
Nextjournal
description
Runs anything you can put into a Docker container. Improve your workflow with polyglot notebooks, automatic versioning and real-time collaboration. Save time and money with on-demand provisioning, including GPU support. Use it for ML, data science, runnable tutorials, for your classroom or scientific publishing.

Technology

Third-party hosts loaded (2)

  • d2wy8f7a9ursnm.cloudfront.net×1
  • js.stripe.com×1

Social

Registration

Registrar
Key-Systems GmbH
Created
2009-02-10
Expires
2027-02-10 266 days left
Updated
2026-02-11
Name servers
  • ns-cloud-a1.googledomains.com
  • ns-cloud-a2.googledomains.com
  • ns-cloud-a3.googledomains.com
  • ns-cloud-a4.googledomains.com

DNS records live

NS
  • ns-cloud-a1.googledomains.com
  • ns-cloud-a2.googledomains.com
  • ns-cloud-a3.googledomains.com
  • ns-cloud-a4.googledomains.com
MX
  • 10 in1-smtp.messagingengine.com
  • 20 in1-smtp.messagingengine.com
  • 20 in2-smtp.messagingengine.com
TXT
  • google-site-verification=cn-vIKyQP7zGuGSAYPp7Wlcu-CnB8cJJM0tMUGqUCpE
  • clojars mkvlr
  • MS=ms86487375

Email authentication weak

SPF
v=spf1 a mx include:spf.messagingengine.com include:spf.mtasv.net ~all
softfail (~all)
DMARC
not published
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7rfjRmErpSv/kbBWXGlBqaMLib8LQY8ml/pJtzj7HLPSLZuQsZ/9jE6nTyOcMSr6VTPaiNjw25PvGLU0Gs…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDL7Fi99oWJTKqyAJwOcnycjOTuFyByTcvPsDGW855y0Y6mZlnOG1jR2yjVyiiQ/BxGcqjwczaBH0esSmwOAaigzb…
selectors probed

Certificate (current)

R13
from 2026-04-01 to 2026-06-30
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (3)