indexo.dev

sbi21.de

.de crawl

First seen 2026-05-02 · Last seen 2026-05-02 · ok HTTP/1.1 200 574 ms crawled 2026-05-08

DE · 91.216.248.22 · AS47447 23M GmbH

Reputation 100/100

Classifying

HTML metadata

Title
Sustainable Business Institute e.V.
Generator
8b v0.0.0.0, 8b.com
Canonical
/

Technology

Server
openresty

Registration

Updated
2026-02-05
Name servers
  • ns1.lima-city.de.
  • ns2.lima-city.de.
  • ns3.lima-city.de.

DNS records live

NS
  • ns1.lima-city.de
  • ns2.lima-city.de
  • ns3.lima-city.de
MX
  • 10 mx20.system-hoster.com
  • 10 mx21.system-hoster.com

Email authentication strong

SPF
v=spf1 a mx include:spf.system-hoster.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-03 to 2026-08-01
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://sbi21.de/

present
  • strict-transport-security
  • content-security-policy
findings
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests
strict-transport-security
max-age=31536000; includeSubDomains; preload

Links to (1)

Linked from (1)