indexo.dev

pyvo.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-03 · ok HTTP/1.1 200 297 ms crawled 2026-06-02

CZ · 185.58.41.93 · AS24971 MasterDC s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Pyvo – Pravidelné programátorské srazy

Open Graph

url
https://pyvo.cz/
title
Pyvo – Pravidelné programátorské srazy
description
Pyva jsou setkání příznivců programovacího jazyka Python a spřízněných technologií.

Technology

Server
nginx
CMS
Gatsby

Third-party hosts loaded (3)

  • img.youtube.com×12
  • queue.simpleanalyticscdn.com×1
  • scripts.simpleanalyticscdn.com×1

Social

Contact

Email

DNS records live

NS
  • ns1.rosti.cz
  • ns2.rosti.cz
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-05-26 to 2026-08-24
Expires in 82 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://pyvo.cz/

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

Links to (12)

Linked from (4)