indexo.dev

jcornelius.com

.com crawl

First seen 2026-05-03 · Last seen 2026-05-03 · ok HTTP/1.1 200 1325 ms crawled 2026-05-10

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
J Cornelius
Description
Product strategy and leadership for companies that need to move forward with clarity and confidence.
Language
en

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×3
  • fonts.googleapis.com×1
  • gc.zgo.at×1

Registration

Registrar
Tucows Domains Inc.
Created
1999-09-04
Expires
2026-09-04 108 days left
Updated
2025-09-03
Name servers
  • ns1.hover.com
  • ns2.hover.com
  • ns3.hover.com

DNS records live

NS
  • ns1.hover.com
  • ns2.hover.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

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

Certificate (current)

R13
from 2026-04-22 to 2026-07-21
Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)