duna.cz

HTML metadata

Title

Účetní software DUNA

Language

cs

Open Graph

url

https://duna.cz/

title

Účetní software DUNA

site name

Účetní software DUNA

Technology

Server

Apache

Stack

PHP

Social

• instagram
• linkedin

Contact

Email

• info@tco.cz

Phone

• +420800188888

DNS records live

NS

• ns.gransy.com
• ns2.gransy.com
• ns3.gransy.com
• ns4.gransy.com
• ns5.gransy.com

MX

• 5 mail.tco.cz

Email authentication partial

SPF

v=spf1 a mx ip4:77.242.90.9 ip4:46.234.126.38 ip6:2a01:28:ca:112::1:823 ~all

softfail (~all)

DMARC

v=DMARC1; p=none

policy: none (monitoring only)

DKIM

• default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCfTOHyb5k+1P3YjPKfVJTsWvlGC+XaO64n2pa4S/qdC11lJijpyYulOX9XUzyRJIokmtik0BqTAFpCWlwES…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://duna.cz/

present

• x-frame-options
• x-content-type-options

findings

• missing HSTS
• missing Content Security Policy
• missing Referrer Policy
• missing Permissions Policy

Links to (7)

• linkedin.com×1
• instagram.com×1
• esmedia.cz×1
• duneeta.cz×1
• dunashop.cz×1
• dunamzdy.cz×1
• dunamedik.cz×1

Linked from (6)

• dunaview.cz×1
• dunashop.cz×1
• dunamedik.cz×1
• dunamzdy.cz×1
• byzmag.cz×1
• ol4you.cz×1