indexo.dev

jelmark.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 159 ms crawled 2026-06-01

CZ · 185.102.21.139 · AS8648 dogado GmbH

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
JELMARK, s.r.o.
Description
JELMARK, společnost s ručeným omezeným, zabývající se montáží elektrozařízení, MaR, elektro, termovizí, vibračními diagnostikami a projekcí.

Technology

Server
nginx

Third-party hosts loaded (1)

  • code.jquery.com×1

DNS records live

NS
  • ns.tvtrinec.cz
  • sns.tvtrinec.cz
MX
  • 100 email.nej.cz

Email authentication weak

SPF
v=spf1 mx ip4:81.200.48.0/25 include:_spf.webglobe.com ?all
neutral (?all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw9o3zWZL0BRy1bV1Nl2HhDP/FjGxoRZbdSk4NPzKOwDkcY6duO4glEZrBJaw1J6+oOBaXpbJBT2mxp…
selectors probed

Certificate (current) wrong cert

RapidSSL TLS RSA CA G1
from 2026-04-10 to 2026-10-26
Expires in 146 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://jelmark.cz/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (1)