indexo.dev

opportunity.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-29 · ok HTTP/1.1 200 701 ms crawled 2026-05-30

CZ · 62.168.61.68 · AS13036 T-Mobile Czech Republic a.s.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Opportunity spol. s r.o.
Language
cs-CZ
Canonical
https://www.opportunity.cz/

Open Graph

title
Opportunity spol. s r.o.

Technology

Server
nginx
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • local.renault.cz×40
  • c.imedia.cz×1
  • www.googletagmanager.com×1

Contact

Phone

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 0 opportunity-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication partial

SPF
v=spf1 ip4:194.228.247.234 include:mail-dealer.cz include:spf.protection.outlook.com include:postman.teas.cz include:mailteas.cz -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:2giqcp79ie@dmarc-reports.ecomailapp.com; fo=1; ri=86400;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-14 to 2026-08-12
Expires in 73 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.opportunity.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=63072000

Links to (5)

Linked from (1)