indexo.dev

webkurs.app

.app crawl

First seen 2026-04-21 · Last seen 2026-05-11 · ok HTTP/1.1 200 710 ms crawled 2026-05-14

DE · 217.160.0.80 · AS8560 IONOS SE

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
WebKurs - Online-Kursverwaltung
Description
WebKurs ist eine Online-Kursverwaltung mit der Möglichkeit, Kurse zu buchen. Bereit gestellt wird eine einfach konfigurierbare, moderne Verwaltungssoftware.
Language
de-de

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×2

Contact

Phone
Address
Fünfkirchener Str. 2, 85435, Erding, DE

DNS records live

NS
  • ns1027.ui-dns.biz
  • ns1081.ui-dns.com
  • ns1089.ui-dns.org
  • ns1113.ui-dns.de
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de

Email authentication partial

SPF
v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-08-19 to 2026-09-03
Expires in 107 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://webkurs.app/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Permissions Policy
Header values
referrer-policy
no-referrer, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src 'none'; script-src 'self'; connect-src 'self'; img-src 'self' https://cdn.webkurs.app; style-src 'self' fonts.googleapis.com; font-src 'self' fonts.googleapis.com fonts.gstatic.com; frame-ancestors 'self'; base-uri 'self'; form-action 'self'
strict-transport-security
max-age=31536000

Links to (4)

Linked from (2)