indexo.dev

hotel-opera.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 631 ms crawled 2026-05-30

CZ · 81.31.37.71 · AS24971 MasterDC s.r.o.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Hotel Opera | Oficiální web - Garance nejlepší ceny
Description
Oficiální webové stránky hotelu Opera v Praze - Online rezervace, Speciální nabídky, Služby, Galerie, Kontakty
Language
cs

Open Graph

url
https://www.hotel-opera.cz/
title
Oficiální web - Garance nejlepší ceny

Technology

Server
Apache
PHP
5.6.40 end of life
jQuery
1.11.3 known XSS (<3.5)
Stack
PHP
Fonts
  • Adobe Fonts

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×4
  • packages.newlogic.cz×2
  • use.typekit.net×1

Contact

Email
Phone

Registration

Registrar
REG-ACTIVE24
Created
1999-03-19
Expires
2026-10-09 128 days left
Updated
2024-10-18
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 1 gwb-prague.hotel-opera.cz
  • 10 hq.bluecell.cz
  • 5 gw-backup.hotel-opera.cz

Email authentication partial

SPF
v=spf1 a mx include:_spf.bookassist.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • mail: v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5zu73klVm9W9mtGiRhyvwkhqlxFQMR5FMOFgksjqKREYPAWuGjxK+MeJK5TM8ju2GW1kt4KM0LyxwE8ksSmAfL…
selectors probed

Certificate (current)

R12
from 2026-05-16 to 2026-08-14
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.hotel-opera.cz/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000; preload

Links to (1)

Linked from (1)