lucas-nuelle.pl

.pl crawl

First seen 2026-05-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 2334 ms crawled 2026-05-19

DE · 3.121.128.217 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title

Lucas Nülle - Lucas-Nuelle Training Systems for vocational training and didactic

Description

Lucas-Nülle Training systems

Feeds

RSS RSS

Technology

Server: Apache

Third-party hosts loaded (1)

www.lucas-nuelle.de×1

Contact

Phone

DNS records live

NS

ns.routing.net
ns8.routing.net
ns9.routing.net

MX

10 mx01.routing.net
10 mx02.routing.net
10 mx03.routing.net
20 mxbackup.routing.net

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-16 to 2026-08-14

Expires in 86 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.lucas-nuelle.pl/

present

x-frame-options
x-content-type-options

findings

missing HSTS
missing Content Security Policy
weak frame protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: *
x-content-type-options: nosniff