indexo.dev

silmet.cz

.cz crawl dns

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 217 ms crawled 2026-06-01

CZ · 185.102.21.169 · AS8648 dogado GmbH

Reputation 87/100 weak security headers spf without fallback

Classifying

HTML metadata

Title
Silmet
Language
cs

Technology

Server
nginx
jQuery
1.9.1 known XSS (<3.5)

Third-party hosts loaded (2)

  • ajax.googleapis.com×1
  • maps.googleapis.com×1

Contact

Email
Phone

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 50 mail.silmet.cz
  • 75 mail2.silmet.cz

Email authentication strong

SPF
v=spf1 redirect=_spf.silmet.cz
missing all
DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r;
policy: quarantine
DKIM
  • mail: v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs3BOeQIlM4VoGy75jA48d8Px19itGgU/4KooI/1DJbo9ehyIugIW+AIg5NL9X/DKf6jP9JZr3PfziTKjC9Ol+/…
selectors probed

Certificate (current)

R12
from 2026-03-17 to 2026-06-15
Expires in 10 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (3)

Linked from (2)