numberone.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 1887 ms crawled 2026-06-02

SK · 37.9.175.165 · AS51013 WebSupport s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Online marketingová agentura | Number One
Description
Jsme digitální agentura, která zvládá na jedničku SEO, PPC, obsahový marketing i další služby. Zjistěte, jak můžeme zefektivnit váš online marketing.
Language
cs
Generator
WordPress 6.7.1
Canonical
https://numberone.cz/

Open Graph

url
https://numberone.cz/
title
Online marketingová agentura | Number One
locale
cs_CZ
site name
Number One
description
Jsme digitální agentura, která zvládá na jedničku SEO, PPC, obsahový marketing i další služby. Zjistěte, jak můžeme zefektivnit váš online marketing.
updated time
2025-01-17T08:23:39+00:00

Technology

Server
openresty
CMS
WordPress 6.7.1
jQuery
1.10.2 known XSS (<3.5)
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • code.jquery.com×2
  • fonts.googleapis.com×2
  • ajax.microsoft.com×1
  • www.googletagmanager.com×1
  • www.gstatic.com×1

Social

Contact

Phone

Registration

Registrar
REG-INTERNET-CZ
Created
2002-09-11
Expires
2026-09-10 99 days left
Updated
2015-08-13
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
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication weak

SPF
v=spf1 mx a ip4:82.99.129.165/32 ip4:185.21.220.245 ip4:185.21.220.248 ip4:82.99.129.168/32 ip4:185.21.221.210/32 a:exmail.svetit.cz a:sirmufvirt.svetit.cz a:galmufvirt.svetit.cz ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnLMkZ7lW3tL5RspgJ+HAcU0Yiss6z9KULPj7BdU+QM4JSPv81ASjYbfhN0rV+SZDlw0fPTvn3f/A6a/ENbJLXBbBQI…
selectors probed

Certificate (current)

R12
from 2026-05-27 to 2026-08-25
Expires in 83 days

HTTP security headers

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

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

Links to (2)

Linked from (3)