nns.cz

HTML metadata

Technology

Server

Apache

CMS

WordPress 6.8.5

jQuery

3.7.1

Analytics

• Google Tag Manager

Third-party hosts loaded (1)

• www.googletagmanager.com×2

Contact

Email

• nns@nns.cz

DNS records live

NS

• leanna.ns.cloudflare.com
• tanner.ns.cloudflare.com

MX

• 1 relay.zoner.com
• 10 10mx.zoner.com
• 15 15mx.zoner.com

Verified for

• Google

Email authentication weak

SPF

v=spf1 include:spf-zoner-zmail.zoner.com include:spf-zoner-cloudmail.zoner.com ip4:185.32.162.95 -all

strict (-all)

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.nns.cz/blog/

findings

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

Links to (8)

• wordpress.org×1
• teamviewer.com×1
• onlinecviceni.cz×1
• objevujeme-informatiku.cz×1
• mediacreator.cz×1
• matyskova-matematika.cz×1
• english-nns.cz×1
• eduzio.cz×1

Linked from (2)

• efko.cz×1
• koaliceucebnicovychnakladatelu.cz×1