indexo.dev

vn.cz

.cz dns crawl

First seen 2026-05-23 · Last seen 2026-05-31 · ok HTTP/1.1 200 371 ms crawled 2026-05-28

CZ · 185.163.181.200 · AS207187 TKR Jasek, s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Webmail ValachNetu

Technology

Server
Apache
PHP
5.6.40 end of life

Third-party hosts loaded (1)

  • starymail.valachnet.cz×1

DNS records live

NS
  • gw-valachnet.valachnet.cz
  • ns.wedos.com
  • ns.wedos.cz
  • ns.wedos.eu
  • ns.wedos.net
MX
  • 10 mail.vn.cz
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:valachnet.cz ip4:185.163.181.80/28 ip6:2a0a:1c01:0:1003::/64 ?all
neutral (?all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-17 to 2026-07-16
Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)