indexo.dev

ku1ik.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-08 · ok HTTP/1.1 200 353 ms crawled 2026-05-06

GB · 109.107.40.115 · AS51059 Brightbox Systems Ltd

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Marcin Kulik | ku1ik.com
Description
Marcin Kulik (ku1ik) — creator of asciinema. Rust/Elixir engineer focused on backend systems, systems architecture, and terminal internals.
Language
en

Technology

Server
Caddy

Social

Registration

Registrar
Infomaniak Network SA
Created
2010-09-04
Expires
2026-09-04 107 days left
Updated
2025-09-03
Name servers
  • ns11.infomaniak.ch
  • ns12.infomaniak.ch

DNS records live

NS
  • ns11.infomaniak.ch
  • ns12.infomaniak.ch
MX
  • 10 in1-smtp.messagingengine.com
  • 20 in2-smtp.messagingengine.com

Email authentication partial

SPF
v=spf1 include:spf.messagingengine.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-04-28 to 2026-07-27
Expires in 68 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://ku1ik.com/

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

Links to (9)

Linked from (2)