betarena.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 410 ms crawled 2026-05-30

CZ · 93.185.108.154 · AS43541 VSHosting s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: BetArena.cz | Kurzové online sázení 2026 | Tipy na sázení
Description: Nejlepší sázkové kanceláře pro kurzové sázky a online sázení. Tipy na sázení zdarma. Škola sázení a největší komunita sázkařů.
Language: cs
Canonical: https://www.betarena.cz/

Technology

Stack: PHP

Analytics

Google Tag Manager

Third-party hosts loaded (2)

www.googletagmanager.com×2
administrace.gto.cz×1

Registration

Registrar

REG-MEDIA4WEB

Created

2014-10-14

Expires

2026-10-13 134 days left

Updated

2019-05-10

Name servers

dns.nethost.cz
sns.nethost.sk
tns.nethost.eu

DNS records live

NS

dns.nethost.cz
sns.nethost.sk

MX

10 mail.betarena.cz
20 mail-relay-1.nethost.cz

TXT

v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+S1PLrNGXMsj0EBIwQP98XWHf1KvsugV1hOe0LR027lFxhwqU6sfKSIc4E+s67pOEg1XJil/wkM6IRQnuoF9nHt4K2py62y1Xe07ZC1oFlF1sIKY63IV1DqY/NXlFqnC35kS9QzFhOWz8EWPCcoZaTLyIn6uajbt9xryxIGERVQIDAQAB;t=s

Verified for

Google

Email authentication partial

SPF

v=spf1 mx include:spf.smartemailing.cz include:spf.nethost.cz include:sparkpostmail.com ip4:85.159.215.209/32 ip4:178.238.47.245/32 ip4:93.185.100.46 -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:r2hjasqg6q@dmarc-reports.ecomailapp.com; fo=1

policy: none (monitoring only)

DKIM

default: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC699OldXDx2iFW1HxII/cMH4F1/yT/ghFl7SZNVFPv7iNWZnYe8pP9sggKAQiD2VO4R4ZQDoV29FMBxj5W71mkm5KbLt9…

selectors probed

Certificate (current)

R13

from 2026-04-15 to 2026-07-14

Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.betarena.cz/

present

x-content-type-options

findings

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

Header values

x-content-type-options: nosniff