indexo.dev

schuellermann.de

.de crawl

First seen 2026-05-02 · Last seen 2026-05-02 · ok HTTP/1.1 200 2431 ms crawled 2026-05-09

DE · 88.198.220.237 · AS24940 Hetzner Online GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Schüllermann und Partner
Description
Schüllermann und Partner - Wirtschaftsprüfung, Steuerberatung, Rechtsberatung, Unternehmensberatung und Kommunalberatung
Language
de
Canonical
https://schuellermann.de/
Translations
  • de

Technology

Server
Apache

Third-party hosts loaded (2)

  • unpkg.com×2
  • www.google.com×1

Social

Registration

Updated
2020-02-24
Name servers
  • ns1.your-server.de.
  • ns3.second-ns.de.
  • ns.second-ns.com.

DNS records live

NS
  • ns.second-ns.com
  • ns1.your-server.de
  • ns3.second-ns.de
MX
  • 10 mail.schuellermann.de
TXT
  • MS=5E7B937722818A312035B216C4C141B2C3083FF8
  • MS=ms70200204
  • apple-domain-verification=cOPipSwb9IjCVRoC

Email authentication strong

SPF
v=spf1 +a +mx ip4:217.68.10.140 ip4:88.198.225.211 ip4:80.155.142.181 a:semco-web01.semcosoft.com include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1;p=quarantine;ruf=mailto:info@schuellermann.de
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-07 to 2026-08-05
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (1)