sebastianraschka.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 974 ms crawled 2026-05-18

US · 104.21.52.197 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sebastian Raschka, LLM Research Engineer | Sebastian Raschka, PhD
Description
Homepage of Sebastian Raschka with recent AI and LLM articles, books, talks, research links, and project resources.
Language
en
Generator
Jekyll v4.2.1
Canonical
https://sebastianraschka.com/
Feeds

Open Graph

url
https://sebastianraschka.com/
title
Sebastian Raschka, LLM Research Engineer
locale
en_US
site name
Sebastian Raschka, PhD
description
Homepage of Sebastian Raschka with recent AI and LLM articles, books, talks, research links, and project resources.

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • substack-post-media.s3.amazonaws.com×4
  • www.googletagmanager.com×1

Social

Registration

Registrar
Bluehost Inc.
Created
2013-01-02
Expires
2030-01-02 1322 days left
Updated
2026-03-16
Name servers
  • garrett.ns.cloudflare.com
  • sonia.ns.cloudflare.com

DNS records live

NS
  • garrett.ns.cloudflare.com
  • sonia.ns.cloudflare.com
MX
  • 0 mail.sebastianraschka.com

Email authentication weak

SPF
v=spf1 +a +mx +ip4:50.87.253.95 +ip4:67.20.73.179 +include:bluehost.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-14 to 2026-08-12
Expires in 84 days

HTTP security headers

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

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

Links to (6)

Linked from (4)