indexo.dev

sian.cz

.cz crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 162 ms crawled 2026-06-04

CZ · 46.28.106.59 · AS197019 WEDOS Internet, a.s.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Správa investic a nemovitostí s.r.o.
Description
Specializujeme se na nákup a správu bytových jednotek ve vybraných lokalitách města Ostravy od roku 2013.
Language
cs

Technology

Server
Apache
Analytics
  • Google Tag Manager

Third-party hosts loaded (2)

  • www.google.com×1
  • www.googletagmanager.com×1

Contact

Email
Phone

DNS records live

NS
  • ns.wedos.com
  • ns.wedos.cz
  • ns.wedos.eu
  • ns.wedos.net
MX
  • 10 sian-cz.mail.protection.outlook.com
  • 15 mxa.eu.mailgun.org
  • 20 wes1-mx2.wedos.net
  • 30 wes1-mx-backup.wedos.net
Verified for
  • Google
  • Meta
  • Microsoft 365

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com include:spf.smartemailing.cz include:mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc+547832@smartemailing.cz; fo=1
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-24 to 2026-07-23
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://sian.cz/

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests;

Links to (1)

Linked from (2)