indexo.dev

hertek.de

.de crawl

First seen 2026-05-01 · Last seen 2026-05-20 · ok HTTP/1.1 200 1022 ms crawled 2026-05-08

DE · 188.40.19.217 · AS24940 Hetzner Online GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Brandschutzlösungen von Hertek – Innovativer Brandschutz für jede Branche
Description
Hertek vereint branchenspezifisches Fachwissen mit hochwertigen Brandschutz Komponenten zu einem sicheren und verlässlichen Brandschutz.
Language
de
Canonical
/

Open Graph

title
Maßgeschneiderte Brandschutzlösungen von Hertek – Ihre Experten für modernen Brandschutz
site name
Hertek
description
Hertek vereint branchenspezifisches Fachwissen mit hochwertigen Brandschutz Komponenten zu einem sicheren und verlässlichen Brandschutz.

Technology

Server
nginx

Third-party hosts loaded (1)

  • www.google.com×1

Social

Contact

Phone
Address
Hertek GmbHLandsberger Straße 24012623 Berlin+49 (0)30 93 66 88 950xxxx@xxxxx.xxx

Registration

Updated
2023-06-03
Name servers
  • ns1-08.azure-dns.com.
  • ns2-08.azure-dns.net.
  • ns3-08.azure-dns.org.
  • ns4-08.azure-dns.info.

DNS records live

NS
  • ns1-08.azure-dns.com
  • ns2-08.azure-dns.net
  • ns3-08.azure-dns.org
  • ns4-08.azure-dns.info
MX
  • 0 hertek-de.mail.protection.outlook.com
TXT
  • z7EZ2jtkWTcxvAPPSOpdJsQVGvCjX3vCliaIN9CGukp/MXysvwfC9b7MHAzaSbPbVwstV7mRVTq2qV8mp7ALdQ==
  • E+v1uqnnHRcVLo6RdrZHBAXEh338VD0JwHobU+MbNK4=
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 mx ip4:91.250.113.57 ip4:159.183.193.106 ip4:185.168.202.15 ip4:185.168.202.30 ip4:185.52.14.199 ip4:185.168.202.20 include:_senderspf.copernica.com include:spf.nl2go.com ip4:89.31.56.35 ip4:37.97.189.30 ip4:185.66.92.4 include:spf.exclaimer.net include:spf.protection.outlook.com include:sendgrid.net -all
strict (-all)
DMARC
v=DMARC1; p=none; sp=none; rua=mailto:watchdog4@watchdog.kevlarr.io,mailto:dmarc@smtpeter.com; adkim=r; aspf=r;
policy: none (monitoring only) · sp=none
DKIM
Show 4 DKIM selectors
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmyzJuExHQ7Ge61kxd52Fx4Yk0qz3Ofz/DNfOSwTGxfv9uTj+T1nvWKyvgqHG6OZFmZzmNbCbP3pr8z…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA04FFbi5t10cLf8azSDMIo6DVHUtDB5qsxxj0sL/p1VptKXntM4p2dliiw1d3YWYS0EVt1Z87zw4e8w…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz3LkxEXubpFQHANiATVVS0ExqV29Jn9HFGsBOes1qY1moxTHqlGWzdyVfHjhy8tpyKJpJGtC0zqr83Mtvf…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArethdJB6hFaYu0OHeX206Q/GOhk1aoli8DvkSpVFUPMJNuDJDNGZCeshJ3TKnFz+X1mg+J0im+XSOA3Q3R…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-09-02 to 2026-08-21
Expires in 91 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.hertek.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=31536000; includeSubDomains

Links to (6)

Linked from (2)