kolle.dev

.dev crawl

First seen 2026-04-14 · Last seen 2026-05-12 · ok HTTP/1.1 200 1277 ms crawled 2026-05-08

DE · 202.61.237.152 · AS197540 netcup GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Kolle.dev
Description: kolle.dev - digitale Bürogemeinschaft.

Technology

CMS: Nuxt

Contact

Email

DNS records live

NS

a.ns14.net
b.ns14.net
c.ns14.net
d.ns14.net

MX

0 hamal.uberspace.de

Email authentication weak

SPF: v=spf1 include:spf.uberspace.de ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-03 to 2026-08-01

Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://kolle.dev/

findings

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

Links to (7)

Linked from (3)