What powers viereck.ch?

Last seen Jul 2026 · 2 technologies across 2 categories

Security

HSTS
since Nov 2022

Web servers

Nginx v1.22.1
since Nov 2021

AI Crawlers

No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.

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

See who blocks each AI crawler across the web

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Audience

  • 100% desktop
  • United States

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

3.40 / 10 · ranked #1,007,879 of all domains

21 referring domains · OpenPageRank

Core Web Vitals

LCP2.1 s
INP25 ms
CLS0
TTFB800 ms

Real user p75, Chrome UX Report, Aug 2026.

Infrastructure

  • Hosted on BAR-AS Weidenweg 235 (81.201.202.162)
  • DNS: Gandi
  • Email: viereck.ch
  • Email security: SPF (hard fail), DMARC monitor only
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 7,867,061

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

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