essener-branchenbuch.de
HTML metadata
Technology
- Server
- nginx
Contact
- Address
- Aachener Str. 75, 50931, Köln, NRW, DE
Registration
- Updated
- 2026-02-20
- Name servers
-
- a.ns14.net.
- b.ns14.net.
- c.ns14.net.
- d.ns14.net.
DNS records live
- NS
-
- a.ns14.net
- b.ns14.net
- c.ns14.net
- d.ns14.net
- MX
-
- 10 smtp.google.com
- Verified for
-
Email authentication partial
- SPF
-
v=spf1 mx -allstrict (-all) - DMARC
-
v=DMARC1;p=none;sp=none;rua=mailto:rua@plrez.de;ruf=mailto:ruf@plrez.depolicy: none (monitoring only) · sp=none - DKIM
-
- google:
v=DKIM1;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2WlA1lNJNSD5oP7SIRkG49cojymSk6769cGsdn5YPWGe+evZ+C+uItUCSFIfhNr8HGYP+5NZimgGHAY/…
selectors probed - google:
Certificate (current)
E7
Expires in 75 days
HTTP security headers
- findings
-
- missing HSTS
- missing Content Security Policy
- missing frame protection
- missing content type protection
- missing Referrer Policy
- missing Permissions Policy