peterrcook.com

HTML metadata

Technology

CDN

Netlify

Analytics

• Google Tag Manager

Fonts

• Google Fonts

Third-party hosts loaded (3)

• fonts.googleapis.com×2
• fonts.gstatic.com×1
• www.googletagmanager.com×1

Social

• twitter
• github
• linkedin

Registration

Registrar

NameCheap, Inc.

Created

2019-10-17

Expires

2026-10-17 151 days left

Updated

2025-09-17

Name servers

• dns1.registrar-servers.com
• dns2.registrar-servers.com

DNS records live

NS

• dns1.registrar-servers.com
• dns2.registrar-servers.com

MX

• 1 aspmx.l.google.com
• 10 aspmx2.googlemail.com
• 10 aspmx3.googlemail.com
• 5 alt1.aspmx.l.google.com
• 5 alt2.aspmx.l.google.com

TXT

• google-site-verification=K4K6eeajXoCYyraUB1hw7rLNnAZll6rqYUXwQR_YAdc

Email authentication weak

SPF

not published

DMARC

not published

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.peterrcook.com/

present

• strict-transport-security

findings

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

Links to (15)

• bbc.co.uk×2
• carbontracker.org×2
• codepen.io×2
• createwithdata.com×2
• d3indepth.com×2
• economist.com×2
• github.com×2
• linkedin.com×2
• london.gov.uk×2
• mheducation.com×2
• propellernet.co.uk×2
• resolutionfoundation.org×2
• smallmedia.org.uk×2
• twitter.com×2
• www.gov.uk×2

Linked from (2)

• d3indepth.com×2
• mikehadlow.com×2