indexo.dev

heise-academy.de

.de crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 959 ms crawled 2026-05-18

DE · 193.99.144.85 · AS12306 Plus.line AG

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Online Weiterbildung für IT-Professionals | heise academy
Description
Workshops, Seminare, Webinare und eLearning-Angebote zu allen wichtigen Themen, die dich und dein Unternehmen weiter bringen - von IT-Profis für IT-Profis.
Language
de

Open Graph

url
https://www.heise-academy.de
title
heise academy
locale
de-DE
site name
heise academy
description
Die deutschsprachigen Online-Kurse und Live-Trainings der heise academy vermitteln dir umfassendes Wissen zu den IT-Themen, die jetzt wichtig sind.

Technology

Server
nginx
CMS
Next.js

Third-party hosts loaded (1)

  • js.hs-scripts.com×1

Social

Contact

Phone
Address
St. und ggf. zzgl. Versandkosten.X Icon©2026

Registration

Updated
2021-10-28
Name servers
  • ns.heise.de.
  • robotns2.second-ns.de.

DNS records live

NS
  • ns.heise.de
  • robotns2.second-ns.de
MX
  • 10 mx01.hornetsecurity.com
  • 20 mx02.hornetsecurity.com
  • 30 mx03.hornetsecurity.com
  • 40 mx04.hornetsecurity.com
TXT
  • zone-ownership-verification-2cc05e1d698e45ea22a62ddfe4b18ecca8b5f9d6d20033fc861225143c26aa37
Verified for
  • Google
  • Microsoft 365
  • Miro

Email authentication partial

SPF
v=spf1 ip4:193.99.144.0/24 ip4:193.99.145.0/24 ip6:2a02:2e0:3fe:1001::/64 ip6:2a00:e68:14:800::/64 ip4:193.100.232.56 ip6:2a00:e68:14:801:bad::beef include:spf.dsb.net include:spf.protection.outlook.com include:spf.hornetsecurity.com include:27084415.spf05.hubspotemail.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; sp=none; rua=mailto:dmarc.report@heise-academy.de
policy: none (monitoring only) · sp=none
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4EKYA9Df+FXDnaIYVeETy5aoaTfdp0cDvOk38DZfEoWZNJvD1ObqdDG49BgFDwpc2OJBuuhTExQcMl…
selectors probed

Certificate (current)

R13
from 2026-04-27 to 2026-07-26
Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://heise-academy.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY
x-content-type-options
nosniff
strict-transport-security
max-age=15768000

Links to (5)

Linked from (12)