What powers sebastianhahner.de?

Last seen Sep 2026 · 22 technologies across 12 categories

Analytics

BugSnag
since Sep 2025

CDN

cdnjs
since Sep 2025
Cloudflare
since Sep 2025
jsDelivr
since Sep 2025
Unpkg
since Sep 2025

Email

ConvertKit
since Sep 2025

Font scripts

Google Font API
since Sep 2025

JavaScript frameworks

Handlebars
since Sep 2025
React v16.14.0
since Sep 2025

JavaScript graphics

Chart.js
since Sep 2025
MathJax v3.2.0
since Sep 2025

JavaScript libraries

Bootstrap Table
since Sep 2025
core-js v3.3.2
since Sep 2025
jQuery v3.6.0
since Sep 2025

Miscellaneous

Open Graph
since Sep 2025

Security

Cloudflare Bot Management
since Sep 2025
HSTS
since Sep 2025

UI frameworks

Bootstrap v4.20.0
since Sep 2025
MDBootstrap
since Sep 2025

Web servers

Nginx
since Sep 2025
OpenResty v1.19.9.1
since Sep 2025

Webmail

Google Workspace
since Sep 2025

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Open Page Rank

1.65 / 10 · ranked #5,283,858 of all domains

5 referring domains · OpenPageRank

Infrastructure

  • Hosted on UVENSYS (185.26.156.15, IPv6)
  • DNS: Porkbun
  • Email: Google Workspace
  • Email security: no SPF record, DMARC monitor only
  • SSL: Let's Encrypt, RSA 4096, expires Dec 2026
  • Common Crawl link graph: rank 2,137,157, 2 hosts
  • Verified with: Google

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

Subdomains

HostTechs
sebastianhahner.de 17
news.sebastianhahner.de 10

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