indexo.dev

osinstitut.de

.de crawl

First seen 2026-04-17 · Last seen 2026-05-12 · ok HTTP/1.1 200 1693 ms crawled 2026-05-12

DE · 167.235.173.22 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Seminare, Forschung & Beratung - OSInstitut
Language
de

Technology

Server
nginx

Social

Registration

Updated
2024-01-30
Name servers
  • ns1.timmehosting.de.
  • ns2.timmehosting.de.
  • ns3.timmehosting.de.

DNS records live

NS
  • ns1.timmehosting.de
  • ns2.timmehosting.de
  • ns3.timmehosting.de
MX
  • 10 mail.osinstitut.de

Email authentication strong

SPF
v=spf1 a mx ip4:167.235.173.22 ip4:78.46.230.212 ip4:52.157.149.216 ip4:185.98.184.0/24 ip4:80.82.206.0/26 -all
strict (-all)
DMARC
v=DMARC1;p=reject;sp=reject;pct=50;rua=mailto:dmarc@osinstitut.de;ruf=mailto:dmarc@osinstitut.de;adkim=r;aspf=r;
policy: reject (enforced) · pct=50 · sp=reject
DKIM
  • default: v=DKIM1; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDRPUqimdxsq3VPsSep9O7p4M1wVsmP0OwJxbYLf83dJoCyY6txSg28YzJkO7RBYIRcI7vyzqJoPVTAlrajGcjz…
selectors probed

Certificate (current)

ZeroSSL RSA DV SSL CA 2
from 2026-04-12 to 2026-07-12
Expires in 53 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://osinstitut.de/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
interest-cohort=()

Links to (4)

Linked from (2)