kolbu.com

HTML metadata

Technology

Server

nginx

CMS

WordPress

Ads

• Google AdSense

Third-party hosts loaded (2)

• www.assoc-amazon.com×4
• pagead2.googlesyndication.com×3

Registration

Registrar

GoDaddy.com, LLC

Created

1997-09-24

Expires

2029-09-23 1222 days left

Updated

2025-09-23

Name servers

• ns0.flirble.org
• ns1.flirble.org
• ns2.flirble.org
• ns3.flirble.org
• ns4.flirble.org

DNS records live

NS

• ns0.flirble.org
• ns1.flirble.org

MX

Show 7 MX records

• 10 aspmx.l.google.com
• 20 alt1.aspmx.l.google.com
• 20 alt2.aspmx.l.google.com
• 30 aspmx2.googlemail.com
• 30 aspmx3.googlemail.com
• 30 aspmx4.googlemail.com
• 30 aspmx5.googlemail.com

Email authentication weak

SPF

v=spf1 include:_spf.google.com ~all

softfail (~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.kolbu.com/

findings

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

Links to (14)

• amazon.com×2
• basefarm.com×2
• bowers-wilkins.com×2
• mvixcommunity.com×2
• nanvaent.org×2
• networkedmediatank.com×2
• nvidia.com×2
• rokulabs.com×2
• send2press.com×2
• slimdevices.com×2
• sonos.com×2
• ubuntu.net×2
• wordpress.org×2
• wpgpl.com×2

Linked from (1)

• mudfind.com×1