indexo.dev

irebs.de

.de crawl

First seen 2026-05-03 · Last seen 2026-05-10 · ok HTTP/1.1 200 2445 ms crawled 2026-05-10

DE · 85.13.147.116 · AS34788 Neue Medien Muennich GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
IREBS International Real Estate Business School: Deutsch
Language
de-DE
Generator
TYPO3 CMS
Canonical
http://www.irebs.de
Translations
  • de-de
  • en-us

Technology

Server
nginx

Social

Registration

Updated
2021-10-13
Name servers
  • ns1092.ui-dns.biz.
  • ns1092.ui-dns.com.
  • ns1092.ui-dns.de.
  • ns1092.ui-dns.org.

DNS records live

NS
  • ns1092.ui-dns.biz
  • ns1092.ui-dns.com
  • ns1092.ui-dns.de
  • ns1092.ui-dns.org
MX
  • 10 mx00.ionos.de
  • 10 mx01.ionos.de
TXT
  • MS=ms57636246
  • MS=912B49550922DBB9306F3597D77E673B3B9A2A9B

Email authentication partial

SPF
v=spf1 a mx ip4:217.28.98.228 ip4:212.227.17.24 ip4:78.46.191.197 ip4:217.28.100.50 ip4:217.160.231.170 include:_spf.perfora.net include:_spf-eu.ionos.com include:spf.mandrillapp.com include:_spf.kundenserver.de ip6:2A02:0BA8:0098:0077:0250:56FF:FEAF:B2C6 ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-04-08 to 2026-07-07
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.irebs.de/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (10)

Linked from (1)