indexo.dev

usetreno.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-31 · ok HTTP/1.1 200 2931 ms crawled 2026-05-29

US · 104.26.6.40 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Ušetřeno.cz - Chytří šetří s námi!
Description
Srovnejte si na jednom místě nabídky dodavatelů energií, bank, pojišťoven i mobilních operátorů. Zabere to 2 minuty. Ušetřete s Ušetřeno.cz tisíce korun ročně.
Language
cs
Canonical
https://www.usetreno.cz/

Technology

CDN
Cloudflare
CMS
Gatsby
Stack
PHP
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • dev.visualwebsiteoptimizer.com×1
  • s1.adform.net×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
REG-GRANSY
Created
2008-04-07
Expires
2028-04-06 675 days left
Updated
2025-04-25
Name servers
  • iris.ns.cloudflare.com
  • jihoon.ns.cloudflare.com

DNS records live

NS
  • iris.ns.cloudflare.com
  • jihoon.ns.cloudflare.com
MX
  • 0 usetreno-cz.mail.protection.outlook.com
Verified for
  • Atlassian
  • Figma
  • Google
  • Meta
  • Microsoft 365

Email authentication strong

SPF
v=spf1 ip4:156.70.35.108 include:spf.smartemailing.cz include:spf.protection.outlook.com ip4:81.31.43.6 -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc-report@usetreno.cz,mailto:dmarc+12948@smartemailing.cz; ruf=mailto:dmarc-report@usetreno.cz; fo=1; pct=100
policy: reject (enforced)
DKIM
Show 4 DKIM selectors
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCHOsoFyGi1oj/q6x1+RQIF57HGzOkeyaqHV/V/PmrfiIjC2hGRXK9ZwokGh0ERcWcjqcXaEqCgH1r7gNPYbW…
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzI+MEajRTFUymSsfeSSVxYSw5OIbG/tbgpixYfNHgyRi3yaYuiesGlbwsBP56hGppBKI1nVgYPFIQL…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArZdhigbTxs8ENGTHInbHw1apoznRYega2Zjmx4rsLw09mmN9qcJQCIN/oDfnw5g/J6nhCBJzSxlua8…
  • dkim: v=DKIM1;k=rsa;s=email;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEdJuD3KeAhB6ChzQXCn40kht3d0pSP4auD9Wn1CdOCO5CK6QDwC9ZHOYFcFjX0EZpTwxLApL02teL…
selectors probed

Certificate (current)

E7
from 2026-05-08 to 2026-08-06
Expires in 67 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.usetreno.cz/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains

Links to (4)

Linked from (4)