randyzwitch.com

HTML metadata

Technology

CDN

Fastly

Server

GitHub.com

Third-party hosts loaded (5)

• vega.github.io×5
• maxcdn.bootstrapcdn.com×3
• ajax.googleapis.com×1
• assets.adobedtm.com×1
• github.com×1

Social

• github

Registration

Registrar

Bluehost Inc.

Created

2011-06-29

Expires

2026-06-29 41 days left

Updated

2025-06-13

Name servers

• ns1.bluehost.com
• ns2.bluehost.com

DNS records live

NS

• ns1.bluehost.com
• ns2.bluehost.com

MX

• 0 mail.randyzwitch.com

Email authentication weak

SPF

v=spf1 a mx ptr include:bluehost.com ?all

neutral (?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://randyzwitch.com/

findings

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

Links to (6)

• github.com×6
• apache.org×4
• python-guide.org×4
• docker.com×4
• julialang.org×4
• omnisci.com×4

Linked from (1)

• planetpython.org×4