indexo.dev

dandvorak.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 597 ms crawled 2026-05-30

SK · 37.9.175.165 · AS51013 WebSupport s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Dan Dvořák, DiS. trenér a nutriční poradce, mistr světa a Evropy v benchpressu
Description
Dan Dvořák, DiS. - Trenér a nutriční poradce, mistr světa a Evropy v benchpressu. Fitness Praha.
Language
cs

Technology

Server
openresty
jQuery
3.6.0
Stack
PHP
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • maxcdn.bootstrapcdn.com×1

Social

Contact

Phone

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 mailin1.dandvorak.cz
  • 100 mailin2.dandvorak.cz
TXT
  • spf2.0/pra a mx include:_sid.m1.websupport.sk ?all

Email authentication weak

SPF
v=spf1 a mx include:_spf.m1.websupport.sk ?all
neutral (?all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhnsi2HlhhhnKgQcouwfngeMKHdc07Cw3W0BQSsHUI4joLYvVxC3l13Jj8u5FocNdIrRe+yUX8T6If1…
selectors probed

Certificate (current)

R13
from 2026-05-21 to 2026-08-19
Expires in 80 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (2)