realcore.de

.de crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 965 ms crawled 2026-05-19

DE · 81.169.145.162 · AS6724 Strato GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title: RealCore Group | the real core
Description: Where Technology meets Business
Language: en

Open Graph

title: RealCore Group | the real core
description: Where Technology meets Business

Technology

CDN: Vercel
CMS: Next.js

Registration

Updated

2007-10-25

Name servers

docks20.rzone.de.
shades09.rzone.de.

DNS records live

NS

docks20.rzone.de
shades09.rzone.de

MX

10 realcore-de.mail.protection.outlook.com
100 relay.rzone.de

TXT

Show 8 TXT records

swisssign-check=z0C2B4GBnUCu1Ax9VtCuM1PMxa8MFrYCfUHPURNHhc
swisssign-check=yAJYVktqzVx3IGJ7btSHzXrj0R4
swisssign-check=P7lfyskwDcEDDd4zkq6O7ul3K0Q
v= spf1 include:spf.protection.outlook.com include:141064503.spf04.hubspotemail.net
QuoVadis=b68b11e8-f955-4e13-b084-be520c2be5b4
langdock-verify=AOraVJmAtE7stI36A9WGKhYiOkJSeBKlzF0zuY1fTQ0
s4h-busi-my428590._domainkey.realcore.de
swisssign-check=ZTU5tT2QW-dm-1EJ8GmyzTc6oMc

Verified for

Apple

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:141064503.spf04.hubspotemail.net -all

strict (-all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDZmLIsq3ewCzpFQZZCGzU56MbMXUMzms7Dc35CYfDF1S5AJ21StcIUyC43TMB6kzyBd8bcBjQMLonIOsTfuJ…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2026-02-04 to 2027-02-12

Expires in 267 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.realcore.de/de

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=63072000

Linked from (1)

the-analysts.de×1