birds.cz

.cz crawl

First seen 2026-05-20 · Last seen 2026-05-29 · ok HTTP/1.1 200 2445 ms crawled 2026-05-27

CZ · 185.175.84.134 · AS44984 Fortion Networks, s.r.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Avif | Faunistická databáze České společnosti ornitologické
Description: Faunistická databáze České společnosti ornitologické
Language: cs

Open Graph

url: https://avif.birds.cz
title: AVIF
site name: AVIF
description: Faunistická databáze České společnosti ornitologické

Technology

Server: Apache

Analytics

Google Tag Manager

Third-party hosts loaded (2)

unpkg.com×1
www.googletagmanager.com×1

Registration

Registrar

REG-INTERNET-CZ

Created

2007-12-12

Expires

2026-12-11 193 days left

Name servers

ns.fortion.cz
ns.fortion.eu
ns.fortion.net

DNS records live

NS

ns.fortion.cz
ns.fortion.net

MX

10 mx1.fortion.net
20 mx2.fortion.net
5 mx0.fortion.net

Email authentication strong

SPF: v=spf1 include:_spf.fortion.net -all
strict (-all)
DMARC: v=DMARC1; p=quarantine;
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-03-02 to 2026-05-31

Expires in 0 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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