open-flair.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 1359 ms crawled 2026-05-07

FR · 83.169.21.161 · AS8972 Host Europe GmbH

Reputation 94/100 dmarc monitor-only

Classifying

Technology

Server: nginx

Social

Registration

Updated

2025-03-28

Name servers

nsa9.schlundtech.de.
nsb9.schlundtech.de.
nsc9.schlundtech.de.
nsd9.schlundtech.de.

DNS records live

NS

nsa9.schlundtech.de
nsb9.schlundtech.de
nsc9.schlundtech.de
nsd9.schlundtech.de

MX

10 aspmx.l.google.com

TXT

MS=ms48075872

Email authentication partial

SPF

v=spf1 include:spf.mailjet.com include:google.com include:servers.mcsv.net ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUo…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA/L4an5OLK7iSjTUTnycWj0SLFukIuN9fUvY5FAzBAWHlwIZXxA1rFJmZE7RaB01kEi4K1/7BJsX6WpWLhT…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDBOfur8fFuPqTJjTzK9i3F4uaN16AMb93UBJrQFfSK7wFQNmrjEXUTNY0cBp3Dd7c/YCythIH+5SOxOCN3LciVQr…

selectors probed

Certificate (current)

R12

from 2026-04-07 to 2026-07-06

Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.open-flair.de/

present

x-frame-options
x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff