thomas-steinke.net

.net crawl

First seen 2026-04-15 · Last seen 2026-05-11 · ok HTTP/1.1 200 1571 ms crawled 2026-05-10

US · 3.164.206.123 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Thomas Steinke

Technology

CDN: Amazon CloudFront
Server: AmazonS3

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Registration

Registrar

Squarespace Domains II LLC

Created

2011-04-11

Expires

2030-04-11 1422 days left

Updated

2024-06-15

Name servers

ns-1226.awsdns-25.org
ns-164.awsdns-20.com
ns-1778.awsdns-30.co.uk
ns-975.awsdns-57.net

DNS records live

NS

ns-1226.awsdns-25.org
ns-164.awsdns-20.com
ns-1778.awsdns-30.co.uk
ns-975.awsdns-57.net

MX

10 mxa.mailgun.org
10 mxb.mailgun.org
100 inbound-smtp.us-east-1.amazonaws.com

Email authentication weak

SPF

v=spf1 include:mailgun.org ~all

softfail (~all)

DMARC

not published

DKIM

k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDrYzbZFZHO5ntxQe68PDZ8MdijjakJgkXBCf3SyC4WpqgAxhtnq8W5mis5QawTpGsHNipC6MpYFvP35UWDSuDtuDtN+x1…

selectors probed

Certificate (current)

Amazon RSA 2048 M04

from 2025-11-04 to 2026-12-04

Expires in 198 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://thomas-steinke.net/

findings

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