indexo.dev

sundaysolar.de

.de crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 236 ms crawled 2026-05-13

ES · 217.154.124.102 · AS8560 IONOS SE

Reputation 95/100 weak security headers

sector b2b services type homepage

HTML metadata

Title
Solaranlagen & Wärmepumpen für Berlin & Brandenburg
Description
Sunday Solar bietet ganzheitliche Energiekonzepte mit Solaranlagen, Wärmepumpen und Stromspeichern. Planung, Installation und Service in Berlin & Brandenburg.
Language
de

Open Graph

url
www.sundaysolar.de
title
Solaranlagen & Wärmepumpen für Berlin & Brandenburg
locale
de
description
Sunday Solar bietet ganzheitliche Energiekonzepte mit Solaranlagen, Wärmepumpen und Stromspeichern. Planung, Installation und Service in Berlin & Brandenburg.

Technology

Server
nginx
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Registration

Updated
2021-03-18
Name servers
  • docks15.rzone.de.
  • shades14.rzone.de.

DNS records live

NS
  • docks15.rzone.de
  • shades14.rzone.de
MX
  • 5 smtpin.rzone.de

Email authentication strong

SPF
not published
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-04-08 to 2026-07-07
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sundaysolar.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)