indexo.dev

sinnerbrink.de

.de crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 1092 ms crawled 2026-05-19

DE · 217.160.215.250 · AS8560 IONOS SE

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Buchenschälfurnier in Fixmaßen - Joh. Sinnerbrink GmbH & Co. KG
Description
Joh. Sinnerbrink GmbH & Co. KG, Buchenschälfurnier in Fixmaßen

Technology

Server
nginx

Registration

Updated
2021-08-02
Name servers
  • ns01.iok.net.
  • ns02.iok.net.

DNS records live

NS
  • ns01.iok.net
  • ns02.iok.net
  • ns03.iok.net
  • ns04.iok.de
MX
  • 10 mx19a.antispameurope.com
  • 20 mx19c.antispameurope.com
  • 30 mx19b.antispameurope.com
  • 40 mx19d.antispameurope.com

Email authentication strong

SPF
v=spf1 +a +a:h04.iok.net include:spf.hornetsecurity.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
policy: quarantine
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDuw1ZD4oc9MyQHlruxjM2O46qlqeCuk+vA7cl5U1lSr936+jIFpBswblItlRcXM7uNYjVKfm/PEXEJppSP/XF5WIX6v…
selectors probed

Certificate (current)

R13
from 2026-04-08 to 2026-07-07
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sinnerbrink.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy