indexo.dev

rensmann.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-05 · ok HTTP/1.1 200 1525 ms crawled 2026-05-07

DE · 81.169.145.87 · AS6724 Strato GmbH

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Fritz Rensmann GmbH & Co. KG – Kompetenz seit 1946
Language
de
Generator
WordPress 6.9.4
Canonical
https://rensmann.com/
Feeds

Technology

Server
Apache
CMS
WordPress

Third-party hosts loaded (1)

  • gmpg.org×1

Social

Contact

Email
Phone

Registration

Registrar
Cronon GmbH
Created
2000-04-19
Expires
2027-04-19 333 days left
Updated
2026-04-20
Name servers
  • docks03.rzone.de
  • shades05.rzone.de

DNS records live

NS
  • docks03.rzone.de
  • shades05.rzone.de
MX
  • 10 mx.mymailwall.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:_spf.strato.com include:mymailwall.com -all
strict (-all)
DMARC
v=DMARC1;p=reject;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4T9dzItgDH57IDC/ypQ9RxKOhkGwuaMzuWDQBPacnWvqqoaJyedBKAyKdLp650uCJIp+kcZDNWpZbr…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0Kle5EguWWWTwkUdH1FjOL8HRNbNE3vAEeAb+8cmt5jV4IN/XaXChGBi7yGWX7e0g3I023D8x1EwHN…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2025-08-19 to 2026-09-10
Expires in 112 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://rensmann.com/

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

Links to (2)