jota.cz

.cz crawl

First seen 2026-05-21 · Last seen 2026-05-30 · ok HTTP/1.1 200 2351 ms crawled 2026-05-28

CZ · 217.198.114.185 · AS34222 ZONER a.s.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Nakladatelství Jota
Language: cz

Technology

Server: Apache
Stack: PHP

Ads

Google AdSense
Google Ads (DoubleClick)

Third-party hosts loaded (2)

pagead2.googlesyndication.com×1
securepubads.g.doubleclick.net×1

Social

Contact

Email

580jota@jota.cz

Phone

+420 515 919 580

Registration

Registrar

REG-ZONER

Created

1999-11-08

Expires

2026-11-07 159 days left

Updated

2023-04-28

Name servers

ns1.regzone.cz
ns1.regzone.de
ns1.regzone.info

DNS records live

NS

ns1.regzone.cz
ns1.regzone.de
ns1.regzone.info

MX

1 relay.zoner.com
10 10mx.zoner.com
15 15mx.zoner.com

Email authentication weak

SPF: not published
DMARC: v=DMARC1; p=none; rua=mailto:rua-02fd69913d52414e@dmarc-reports.leadhub.co; ruf=mailto:ruf-02fd69913d52414e@dmarc-reports.leadhub.co;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2

from 2026-03-29 to 2026-10-14

Expires in 135 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.jota.cz/

present

x-frame-options

findings

missing HSTS
missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN