What powers hucr.cz?

Last seen May 2023 · 9 technologies across 6 categories

Email

MailChimp
since Apr 2023
SparkPost
since Apr 2023

JavaScript libraries

jQuery v3.6.0
since Apr 2023
Modernizr v2.7.1
since Apr 2023
Select2
since Apr 2023

Miscellaneous

PWA
since Apr 2023

Security

HSTS
since Apr 2023

UI frameworks

Bootstrap v3.3.0
since Apr 2023

Web servers

Apache HTTP Server
since Apr 2023

AI Crawlers

Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 *: Blocked (was Allowed)
  • Aug 2026 *: Allowed (was Blocked)
  • Aug 2026 *: Blocked (was Allowed)

See who blocks each AI crawler across the web

AI Crawlers

All crawlers blocked

Full breakdown

Open Page Rank

4.71 / 10 · ranked #303,428 of all domains

37 referring domains · OpenPageRank

Infrastructure

  • Hosted on IP4ISP (176.62.225.50)
  • DNS: websupport.cz
  • Email: Seznam Email
  • Email security: no SPF record, no DMARC record, DNSSEC signed
  • SSL: Alpiro s.r.o., RSA 2048, wildcard, expires Jan 2027
  • Common Crawl link graph: rank 29,951,786, 12 hosts

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

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