indexo.dev

michaeldemar.co

.co crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 3970 ms crawled 2026-05-18

US · 172.67.175.249 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Michael DeMarco
Description
Software engineer, teacher, and perpetual learner.
Language
en
Canonical
https://michaeldemar.co
Feeds

Open Graph

title
Michael DeMarco
description
Software engineer, teacher, and perpetual learner.

Technology

CDN
Cloudflare
CMS
Next.js

Social

DNS records live

NS
  • decker.ns.cloudflare.com
  • elly.ns.cloudflare.com
MX
  • 10 alt1.gmr-smtp-in.l.google.com
  • 20 alt2.gmr-smtp-in.l.google.com
  • 30 alt3.gmr-smtp-in.l.google.com
  • 40 alt4.gmr-smtp-in.l.google.com
  • 5 gmr-smtp-in.l.google.com
TXT
  • google-site-verification=YVdnEN_jpnLnLVHPzF6wFT2E1r8s4sinBC34bOFHKgI

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-03-21 to 2026-06-19
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://www.michaeldemar.co/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Links to (9)

Linked from (1)