indexo.dev

tennert-sommer-partner.de

.de crawl

First seen 2026-05-28 · Last seen 2026-05-30 · ok HTTP/1.1 200 720 ms crawled 2026-05-30

DE · 144.76.4.43 · AS24940 Hetzner Online GmbH

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Steuerberater in Berlin - Tennert · Sommer & Partner
Description
Die Steuerberater Tennert · Sommer & Partner in Berlin sind auf Heilberufe spezialisiert - inkl. Rechtsanwalt für Rechtsberatung, Vertragsgestaltung rund um die Arztpraxis!
Language
de
Feeds

Technology

Server
Apache

Contact

Email
Phone

Registration

Updated
2014-03-14
Name servers
  • ns1.antagus.de.
  • ns2.antagus.de.

DNS records live

NS
  • ns1.antagus.de
  • ns2.antagus.de
MX
  • 10 maildomain.datevnet.de
  • 20 maildomain.datevnet.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 a mx include:datevnet._spf.datev.de ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-25 to 2026-08-23
Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.tennert-sommer-partner.de/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
Header values
referrer-policy
no-referrer-when-downgrade, strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
permissions-policy
interest-cohort=()
x-content-type-options
nosniff
strict-transport-security
max-age=0

Links to (2)

Linked from (1)