hotelduo.cz

.cz crawl

First seen 2026-05-22 · Last seen 2026-05-31 · ok HTTP/1.1 200 2959 ms crawled 2026-05-28

CZ · 194.145.180.69 · AS24971 MasterDC s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: Hotel Duo - Moderní hotel v Praze
Description: Hotel Duo nabízí skvělé ubytování, výhodnou polohu, výbornou dopravní dostupnost a širokou nabídku služeb. Prozkoumejte krásy Prahy z pohodlí a komfortu.
Language: cs
Canonical: https://www.hotelduo.cz/

Open Graph

url: https://www.hotelduo.cz/
title: Moderní hotel v Praze - Hotel Duo
description: Hotel Duo nabízí skvělé ubytování, výhodnou polohu, výbornou dopravní dostupnost a širokou nabídku služeb. Prozkoumejte krásy Prahy z pohodlí a komfortu.

Technology

Server: nginx

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (7)

cdn.jsdelivr.net×6
fonts.googleapis.com×2
cdn.asksuite.com×1
fonts.gstatic.com×1
v4.bookoloengine.com×1
www.google.com×1
www.googletagmanager.com×1

Social

Contact

Email

Phone

+420266131111

Registration

Registrar

REG-INTERNET-CZ

Created

1997-11-15

Expires

2026-10-19 140 days left

Updated

2022-10-21

Name servers

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

DNS records live

NS

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

MX

5 hotelduo-cz.mail.protection.outlook.com

TXT

\"DZC=WWIFJjh\"

Verified for

Microsoft 365

Email authentication weak

SPF

v=spf1 mx a ip4:194.145.180.69 ip4:90.181.168.123 ip4:209.242.69.231 ip4:216.117.108.0/24 ip4:216.117.109.0/24 ip4:216.117.110.0/24 ip4:178.238.44.41 include:spf.protection.outlook.com include:amazonses.com -all

strict (-all)

DMARC

not published

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA74K28dCuYUltOPN7x6LfTVbMOqDem7yQnK+9UUidhkjfz5D4tLBJ341VpPfvirbKrMOPXOq4mbiJrS…

selectors probed

Certificate (current)

R13

from 2026-05-25 to 2026-08-23

Expires in 83 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

Header values

referrer-policy: strict-origin
x-frame-options: SAMEORIGIN
permissions-policy: autoplay=(self)
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests
strict-transport-security: max-age=31536000;