asperaelektro.cz

.cz crawl

First seen 2026-05-22 · Last seen 2026-05-28 · ok HTTP/1.1 200 2091 ms crawled 2026-05-28

CZ · 185.66.36.24 · AS59925 Seonet Multimedia s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: JAKUB Group / asperaelektro.cz - Elkas - úvodní stránka
Description: JAKUB Group - Elkas - úvodní stránka
Language: en

Technology

Server: Apache
PHP: 5.6.40 end of life
jQuery: 1.10.2 known XSS (<3.5)

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Registration

Registrar

REG-WEBGLOBE

Created

2018-10-30

Expires

2026-10-29 150 days left

Updated

2023-03-01

Name servers

ns1.ignum.com
ns2.ignum.cz

DNS records live

NS

ns1.ignum.com
ns2.ignum.cz

MX

10 mail.jakub.cz
20 relaynw.netwin.cz

Email authentication partial

SPF

v=spf1 mx a:9527.mail.zonercloud.net a:mail.asperaelektro.cz include:sparkpostmail.com -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

mail: v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4Rql4enElQN8yeB2Sj26XjreGNlosNVTZW3uyVOyCUwvYhy3JifyPQnDR/pVCx7W2nkU56HR8MHEFpA1fEHLKu…

selectors probed

Certificate (current)

R13

from 2026-05-25 to 2026-08-23

Expires in 84 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.asperaelektro.cz/

findings

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