michalkolacek.xyz

.xyz crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1141 ms crawled 2026-05-18

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Michal Koláček
Language
en
Canonical
https://michalkolacek.xyz//
Feeds

Open Graph

url
https://michalkolacek.xyz//
title
Michal Koláček
site name
Michal Koláček
description
Personal website of Michal Koláček

Technology

CDN
Fastly
Server
GitHub.com
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • fonts.googleapis.com×2
  • cdn.jsdelivr.net×1
  • cloud.umami.is×1
  • fonts.gstatic.com×1
  • unpkg.com×1
  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
Porkbun, LLC
Created
2022-01-22
Expires
2027-01-22 245 days left
Updated
2026-02-16
Name servers
  • curitiba.ns.porkbun.com
  • fortaleza.ns.porkbun.com
  • maceio.ns.porkbun.com
  • salvador.ns.porkbun.com

DNS records live

NS
  • curitiba.ns.porkbun.com
  • fortaleza.ns.porkbun.com
  • maceio.ns.porkbun.com
  • salvador.ns.porkbun.com
MX
  • 1 fwd1.porkbun.com
  • 1 fwd2.porkbun.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 include:_spf.porkbun.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-20 to 2026-07-19
Expires in 59 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://michalkolacek.xyz/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31556952

Links to (42)

Linked from (1)