geosan-development.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-31 · ok HTTP/1.1 200 1604 ms crawled 2026-05-31

CZ · 217.11.237.242 · AS21430 WIA spol. s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Prodej Bytů v Praze - developerské projekty Praha | Geosan Development
Description: Široký výběr developerských projektů v Praze. Prodej bytů v Praze v nejzajímavějších lokalitách. vyberte si ještě dnes, nedostatek bytů bude přibývat.

Technology

Server: Apache
PHP: 7.1.33 end of life
Stack: PHP

Analytics

Google Tag Manager

Third-party hosts loaded (2)

maps.googleapis.com×1
www.googletagmanager.com×1

Social

Contact

Phone

800213215

DNS records live

NS

ns.web4u.cz
ns2.web4u.cz

MX

10 mx4.funlife.cz
20 mx3.funlife.cz

Email authentication partial

SPF

v=spf1 ip4:77.78.96.51 ip4:82.208.48.18 ip4:82.208.48.17 ~all

softfail (~all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
dkim: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCuXzbBtWioT7zTo4VbSBA2w9MM4r3OR9Vk0rEstoSLY0DbdiBQT5saPYIIlyds7V9VMYFN+NfKPBoUa5cV/Lh1OMN+b…

selectors probed

Certificate (current)

R12

from 2026-05-06 to 2026-08-04

Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.geosan-development.cz/

findings

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