k2.cz

HTML metadata

Technology

Server

Apache

Stack

PHP

Analytics

• Google Tag Manager

Third-party hosts loaded (1)

• www.googletagmanager.com×1

Contact

Email

• nejlepsierp@k2.cz
• 110nejlepsierp@k2.cz

Phone

• +420595135110

Registration

Registrar

REG-WEBGLOBE

Created

2000-01-11

Expires

2028-01-10 586 days left

Updated

2011-08-17

Name servers

• ns1.k2datovecentrum.cz
• ns2.k2datovecentrum.cz
• ns2.poda.cz
• ns3.k2datovecentrum.cz
• ns3.poda.cz

DNS records live

NS

• ns1.k2datovecentrum.cz
• ns2.k2datovecentrum.cz
• ns2.poda.cz
• ns3.k2datovecentrum.cz
• ns3.poda.cz

MX

• 100 k2-cz.mail.protection.outlook.com

TXT

• atlassian-sending-domain-verification=31466dfd-c665-4707-8a6f-18b1d64c6c9f
• _j5qhslzp0u25jjrwfmznhhv5z28g9f7

Verified for

• Atlassian
• Google
• Meta
• Microsoft 365

Email authentication strong

SPF

v=spf1 a mx ip4:178.248.11.5 ip4:178.248.11.6 ip4:178.248.9.106 ip4:178.248.11.50 ip4:178.248.11.52 ip4:178.248.11.18 ip4:178.248.9.246 ip4:193.179.215.2 include:spf.protection.outlook.com include:servers.mcsv.net -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:postmaster@k2.cz,mailto:0jrm1rpu@rua.dmarceye.com; fo=1; ri=86400

policy: quarantine · sp=quarantine

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.k2.cz/

present

• strict-transport-security
• x-frame-options
• x-content-type-options

findings

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

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