oa-opava.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 956 ms crawled 2026-05-30

CZ · 46.28.105.77 · AS197019 WEDOS Internet, a.s.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

OA a SOŠL Opava - Zažij víc než školu

Language

cs-cz

Generator

Joomla! - Open Source Content Management

Feeds

Technology

Server: Apache
CMS: Joomla
jQuery: 3.6.0

Third-party hosts loaded (2)

cdnjs.cloudflare.com×1
unpkg.com×1

Social

Contact

Email

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

MX

0 oaopava-cz0e.mail.protection.outlook.com

Verified for

Adobe
Apple

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com -all

strict (-all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDemY9b861gfnaXBi+VsqDPb6WrxGLJmlNTKvOgiAjCJ0LaFLZrPWZ3jd8l8HLRqQWQqSNmeY+Y/uck4DeeF8…

selectors probed

Certificate (current)

R13

from 2026-04-27 to 2026-07-26

Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.oa-opava.cz/

present

x-frame-options
x-content-type-options
referrer-policy
cross-origin-opener-policy

findings

missing HSTS
missing Content Security Policy
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
cross-origin-opener-policy: same-origin

Links to (12)

Linked from (1)

topzamestnavatele.cz×1