theion.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 569 ms crawled 2026-05-08

DE · 85.13.155.237 · AS34788 Neue Medien Muennich GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: theion GmbH – batteries on lithium-sulfur basis
Description: Zero emission, lithium-sulfur batteries based on nano-crystalline monoliths.
Language: en

Technology

Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

Contact

Email

Phone

+4930221829140

Address

st in usJoin the teamWrite about usSubscribe to our newsletterContact us+49 30 22182

Registration

Updated

2024-12-11

Name servers

ns5.kasserver.com.
ns6.kasserver.com.

DNS records live

NS

ns5.kasserver.com
ns6.kasserver.com

MX

0 theion-de.mail.protection.outlook.com
10 w01a173c.kasserver.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)

R12

from 2026-03-25 to 2026-06-23

Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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