henryheffernan.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 351 ms crawled 2026-05-19

US · 66.33.60.129 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Henry Heffernan - Portfolio 2022
Description
I'm Henry, a Software Engineer based in NY. Rensselaer Polytechnic Institute Graduate with my B.S. in Computer Science, currently looking for a full time role.
Language
en

Open Graph

url
https://henryheffernan.com/
title
Henry Heffernan - Software Engineer
description
I'm Henry, a Software Engineer based in NY. Rensselaer Polytechnic Institute Graduate with my B.S. in Computer Science, currently looking for a full time role.
image:secure
https://henryheffernan.com/images/preview-new.jpg

Technology

CDN
Vercel
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Registration

Registrar
GoDaddy.com, LLC
Created
2022-04-01
Expires
2028-04-01 681 days left
Updated
2026-04-01
Name servers
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com

DNS records live

NS
  • ns1.vercel-dns.com
  • ns2.vercel-dns.com

Email authentication no MX

SPF
not published
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6q3VQCubY6kGRgbL70odpuG36LQYdxedgTIYeIq4pXkpEcprQWT2Nc70k+4qJms0K52nhEhRjr4Kx9RswP…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtexO+i5q+dTsKl4LvaTwlasAOa+GQVHfFaZ3fYv/d7YAZwxB3tHrPU6qlhwYPWB+xu1g2P4iPP0m/X3vtA…
selectors probed

Certificate (current)

R12
from 2026-03-30 to 2026-06-28
Expires in 38 days

HTTP security headers

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

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

Linked from (1)