indexo.dev

vis.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-04 · ok HTTP/1.1 200 227 ms crawled 2026-06-04

US · 172.67.151.114 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
VIS, a.s.
Language
cs

Technology

CDN
Cloudflare

Third-party hosts loaded (1)

  • cdn.jsdelivr.net×3

Contact

Phone
Address
VIS, a.s.K Hájům 946/10155 00 Praha 5 - Stodůlky[email protected]+420 604 197 829

DNS records live

NS
  • arely.ns.cloudflare.com
  • luke.ns.cloudflare.com
MX
  • 5 vis-cz.mail.protection.outlook.com

Email authentication strong

SPF
v=spf1 ip4:192.168.0.0/16 ip4:89.233.167.0/24 ip4:89.233.168.0/24 ip4:185.228.164.0/22 ip6:2001:b80:104::/64 ip4:37.48.16.226/32 ip4:80.211.204.39/32 mx include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:admin@webspaces.cz;
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2C+/yuVPWJ3CArLB0qEqZcO1P7zJMMTsgP0Pc45WsMv/VxQBXZsIfYpeMcJOVr8eKqzFxCjaJsN8jP…
selectors probed

Certificate (current)

WE1
from 2026-05-04 to 2026-08-02
Expires in 58 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)