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mldangelo.com

.com crawl

First seen 2026-05-09 · Last seen 2026-05-09 · ok HTTP/1.1 200 2585 ms crawled 2026-05-15

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Michael D'Angelo
Description
Member of the Technical Staff at OpenAI, working on Promptfoo and agent security. Previously co-founded Promptfoo, Arthena, and Matroid, and led engineering at Smile ID.
Language
en

Open Graph

url
https://mldangelo.com
title
Michael D'Angelo
locale
en_US
site name
Michael D'Angelo
description
Member of the Technical Staff at OpenAI, working on Promptfoo and agent security. Previously co-founded Promptfoo, Arthena, and Matroid, and led engineering at Smile ID.

Technology

CDN
Fastly
Server
GitHub.com
CMS
Next.js
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Registration

Registrar
Squarespace Domains II LLC
Created
2010-05-20
Expires
2027-05-20 366 days left
Updated
2026-05-05
Name servers
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com

DNS records live

NS
  • ns-cloud-b1.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b4.googledomains.com
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org
TXT
  • openai-domain-verification=dv-El1Ja2bMUDotgqQGVjYYjsNw

Email authentication weak

SPF
v=spf1 include:mailgun.org ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-24 to 2026-07-23
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://mldangelo.com/

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

Links to (8)

Linked from (1)