indexo.dev

markuskummer.com

.com crawl

First seen 2026-04-17 · Last seen 2026-05-08 · ok HTTP/1.1 200 1180 ms crawled 2026-05-12

US · 66.6.44.4 · AS2635 Automattic, Inc

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Markus Kummer
Canonical
https://markuskummer.com
Feeds

Open Graph

url
https://markuskummer.com/?og=1
title
Markus Kummer
site name
Tumblr

Technology

Server
nginx
CMS
WordPress
Ads
  • Google Ads (DoubleClick)
Third-party hosts loaded (11)
  • assets.tumblr.com×22
  • 64.media.tumblr.com×11
  • static.tumblr.com×4
  • px.srvcs.tumblr.com×2
  • 305343404×1
  • ajax.googleapis.com×1
  • code.jquery.com×1
  • com.tumblr×1
  • s0.wp.com×1
  • securepubads.g.doubleclick.net×1
  • www.tumblr.com×1

Contact

Email

Registration

Registrar
Wild West Domains, LLC
Created
2009-10-18
Expires
2026-10-18 150 days left
Updated
2025-10-19
Name servers
  • ns1.mediatemple.net
  • ns2.mediatemple.net

DNS records live

NS
  • ns1.mediatemple.net
  • ns2.mediatemple.net
MX
Show 7 MX records
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 20 alt2.aspmx.l.google.com
  • 30 aspmx2.googlemail.com
  • 30 aspmx3.googlemail.com
  • 30 aspmx4.googlemail.com
  • 30 aspmx5.googlemail.com

Email authentication weak

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

Certificate (current)

R13
from 2026-03-20 to 2026-06-19
Expires in 29 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://markuskummer.com/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=15552001

Links to (4)

Linked from (1)