indexo.dev

blk2.de

.de crawl

First seen 2026-04-22 · Last seen 2026-05-13 · ok HTTP/1.1 200 3572 ms crawled 2026-05-16

DE · 81.169.145.162 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
BLK2 | Home
Description
Website von Böge Lindner K2 Architekten, Hamburg. Wohnungsbauten, Bauten für Bildung und Forschung, Büro- und Gewerbebauten, Feuerwehrzentren. Tel. 040 / 32 50 66 - 0, Bäckerbreitergang 75, 20355 Hamburg
Language
de

Technology

Server
Apache
CMS
Gatsby

Social

Registration

Updated
2011-01-03
Name servers
  • docks10.rzone.de.
  • shades13.rzone.de.

DNS records live

NS
  • docks10.rzone.de
  • shades13.rzone.de
MX
  • 10 mail.blk2.de

Email authentication strong

SPF
v=spf1 mx ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; ruf=mailto:admin@tan3.de; adkim=s; aspf=s;
policy: quarantine
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC074NC8nCi3uG6ZxVzjjYHX4UFh6yms8oCkV6vwI2pUGAJKOV+K9zyT7SV6INDaUrEqq7TW3RSUxrTTEzcWE…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-11-24 to 2026-12-16
Expires in 209 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://blk2.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 (1)

Linked from (1)