larryzitnick.org

HTML metadata

Technology

Server

Apache

Social

• github
• facebook
• youtube

Registration

Registrar

GoDaddy.com, LLC

Created

2015-11-30

Expires

2026-11-30 194 days left

Updated

2026-01-14

Name servers

• ns73.domaincontrol.com
• ns74.domaincontrol.com

DNS records live

NS

• ns73.domaincontrol.com
• ns74.domaincontrol.com

MX

• 0 mail.larryzitnick.org

Email authentication weak

SPF

v=spf1 a mx ptr include:secureserver.net ~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 35/100 Checked over plain HTTP: http://larryzitnick.org/

findings

• checked over plain HTTP
• missing Content Security Policy
• missing frame protection
• missing content type protection
• missing Referrer Policy
• missing Permissions Policy

Links to (16)

• youtube.com×2
• facebook.ai×2
• facebook.com×2
• fastmri.org×2
• fb.com×2
• github.com×2
• github.io×2
• meta.com×2
• microsoft.com×2
• nytimes.com×2
• opencatalystproject.org×2
• popsci.com×2
• techcrunch.com×2
• visualqa.org×2
• cocodataset.org×2
• youtu.be×1

Linked from (1)

• tsungyilin.info×2