indexo.dev

navratil.cz

.cz dns crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 521 ms crawled 2026-06-01

CZ · 217.115.249.166 · AS20723 AVONET, s.r.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Jiří Navrátil - rozcestník na různé weby Jiřího Navrátila
Description
hub to web sites managed by Jiří Navrátil
Language
cs
Canonical
https://www.navratil.cz/

Technology

Server
OpenBSD

DNS records live

NS
  • nienna.navratil.cz
  • rollo.navratil.cz
  • walda.navratil.cz
  • yavanna.navratil.cz
MX
  • 10 yavanna.navratil.cz

Email authentication strong

SPF
v=spf1 ip4:217.115.249.166 ip4:217.115.249.167 ip6:2a00:6500:0:1500::13 ip6:2a00:6500:0:1500::14 -all
strict (-all)
DMARC
v=DMARC1;p=reject;pct=100;rua=mailto:postmaster@navratil.cz;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

YR2
from 2026-06-01 to 2026-08-30
Expires in 89 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (1)