jcu.cz

.cz crawl

First seen 2026-05-20 · Last seen 2026-05-31 · ok HTTP/1.1 200 1996 ms crawled 2026-05-27

CZ · 160.217.6.39 · AS2852 CESNET z.s.p.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Jihočeská univerzita v Českých Budějovicích - Úvod
Language
cs-cz
Generator
Joomla! - Open Source Content Management
Translations
  • cs
  • en

Technology

Server
nginx
CMS
Joomla

Third-party hosts loaded (1)

  • cdnjs.cloudflare.com×1

Social

Contact

Phone

Registration

Registrar
REG-WEDOS
Created
1994-11-06
Expires
2026-10-19 140 days left
Updated
2025-03-12
Name servers
  • gemini.jcu.cz
  • hera.zcu.cz
  • orion.zf.jcu.cz

DNS records live

NS
  • gemini.jcu.cz
  • hera.zcu.cz
  • orion.zf.jcu.cz
MX
  • 100 jcu-cz.mail.protection.outlook.com
Verified for
  • Apple
  • Google
  • Meta

Email authentication strong

SPF
v=spf1 ip4:160.217.1.0/24 ip4:160.217.6.33 ip4:160.217.6.151 include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:dmar@jcu.cz; ruf=mailto:dmfr@jcu.cz; adkim=s; aspf=s; fo=1:d:s
policy: quarantine · sp=quarantine
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7IIC2RxRYtqKnV2SAdYYcBHm315BSLUefA1WyF+wzHoUWqv5AzmAS8Dw7sHc0izod3r/dy6BEPhfNBFx35t…
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnt4avrnHpegXTj61Ud4HftAJUSByDdzJamblS/4ItqSbmhDaguR1fyh+E7UylZzT5jZpzEcvRBshgORgcU8…
selectors probed

Certificate (current)

R12
from 2026-03-31 to 2026-06-29
Expires in 29 days

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.jcu.cz/cz/

present
  • x-frame-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
cross-origin-opener-policy
same-origin

Links to (6)

Linked from (16)