indexo.dev

semmler-group.com

.com crawl

First seen 2026-05-05 · Last seen 2026-05-05 · ok HTTP/1.1 200 4090 ms crawled 2026-05-12

DE · 46.229.46.23 · AS61157 PlusServer GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
COMPANY - Semmler Production Group GmbH
Description
Semmler Production Group ist kreativtechnischer Partner für Public- und Sportevents, Firmenevents, Touring und TV-Shows.
Language
de
Generator
Contao Open Source CMS

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • code.jquery.com×1
  • fonts.googleapis.com×1
  • maps.googleapis.com×1

Social

Contact

Email

Registration

Registrar
Key-Systems GmbH
Created
2017-09-05
Expires
2026-09-05 107 days left
Updated
2025-11-24
Name servers
  • ns1.kcs-netz.de
  • ns2.kcs-netz.de

DNS records live

NS
  • ns1.kcs-netz.de
  • ns2.kcs-netz.de
MX
  • 10 mail.semmler-group.com
  • 20 semmler-group.com
TXT
  • z8KQXJZdCGAAgGg4IxQyHRXwEF5FAY9IjZ1KmUQpY0NHs96WMrJ9Ng6/Ho/S+3/2ep7wQEnVhkNSRmj8FY3hvw==
  • MS=90DD0E214C282E847470ACFC0CB1CB6FEF9B0F43
Verified for
  • Google

Email authentication weak

SPF
v=spf1 mx a include:spf.nl2go.com -all
strict (-all)
DMARC
not published
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPIKrMkowVgvY8s9Vdd4AULt3tN9ZYigD3e0i6+RghhcblOECGXjTgGt/7hvWFSRTuiFZ1FaHKoHEgZjTTGO…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCfV81MYBUgVqMz7VFKCQzaieJmqn5/JW9hqcnMh5ouDFnQbB384hROWIMkaRSVFJ+vLKFqg8TsufFQvo3vUL…
selectors probed

Certificate (current)

R12
from 2026-04-04 to 2026-07-03
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://semmler-group.com/de/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Links to (2)

Linked from (1)