indexo.dev

seidler-tiefbau.de

.de crawl

First seen 2026-05-09 · Last seen 2026-05-20 · ok HTTP/1.1 200 3724 ms crawled 2026-05-16

DE · 37.228.155.55 · AS45012 dogado GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Seidler Tiefbau GmbH: Know-how im Tiefbau: Ihr starker Partner
Language
de-DE
Generator
TYPO3 CMS
Canonical
https://www.seidler-tiefbau.de/

Open Graph

title
Know-how im Tiefbau: Ihr starker Partner
image:url
https://www.seidler-tiefbau.de/fileadmin/_processed_/6/8/csm_Logo_Seidler_90932b404a.png

Technology

Server
Apache

Social

Contact

Email
Phone

Registration

Updated
2018-09-05
Name servers
  • ns1111.ui-dns.biz.
  • ns1111.ui-dns.com.
  • ns1111.ui-dns.de.
  • ns1111.ui-dns.org.

DNS records live

NS
  • ns1111.ui-dns.biz
  • ns1111.ui-dns.com
  • ns1111.ui-dns.de
  • ns1111.ui-dns.org
MX
  • 10 mx23a.antispameurope.com
  • 20 mx23b.antispameurope.com
  • 30 mx23c.antispameurope.com
  • 40 mx23d.antispameurope.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; fo=0:1; rua=mailto:a.jdrjnbfm@reports.hornetdmarc.com,mailto:wartung@t-n-c.de; ruf=mailto:f.jdrjnbfm@reports.hornetdmarc.com
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-10 to 2026-08-08
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.seidler-tiefbau.de/

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

Links to (5)

Linked from (2)