indexo.dev

sintak.cz

.cz crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 134 ms crawled 2026-06-02

CZ · 217.198.114.96 · AS34222 ZONER a.s.

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
Ing. Jan Šinták - I.P.R.E. - projekční a inženýrská kancelář, projekty ve vodním hospodářství, projektová činnost ve výstavbě
Description
sintak.cz

Technology

Server
Microsoft-IIS

DNS records live

NS
  • ns1.regzone.cz
  • ns1.regzone.de
  • ns1.regzone.info
MX
  • 1 relay.zoner.com
  • 10 mail.sintak.cz
  • 15 10mx.zoner.com
  • 20 15mx.zoner.com

Email authentication weak

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

Certificate (current) wrong cert

Encryption Everywhere DV TLS CA - G2
from 2025-09-01 to 2026-10-01
Expires in 118 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://sintak.cz/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)