indexo.dev

heizung-appel.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-11 · ok HTTP/1.1 200 6492 ms crawled 2026-05-17

DE · 217.160.0.50 · AS8560 IONOS SE

Reputation 87/100 weak security headers no dmarc policy

sector b2b services type landing page

HTML metadata

Title
Appel GmbH | Heizung & Sanitär in Leimen
Language
de
Canonical
https://heizung-appel.de/start/

Open Graph

url
https://heizung-appel.de/start/
title
Appel GmbH | Heizung & Sanitär in Leimen

Technology

Server
CM4all
CMS
Gatsby

Third-party hosts loaded (1)

  • strato-editor.com×19

Social

Contact

Email
Phone

Registration

Updated
2026-02-13
Name servers
  • docks02.rzone.de.
  • shades14.rzone.de.

DNS records live

NS
  • docks02.rzone.de
  • shades14.rzone.de
MX
  • 10 appelleimen-de01c.mail.protection.outlook.com

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-02-17 to 2027-02-18
Expires in 274 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://heizung-appel.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)