indexo.dev

christopherjacoby.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 1791 ms crawled 2026-05-08

US · 185.199.111.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Christopher Jacoby – christopher jacoby .com
Language
en
Generator
quarto-1.8.25

Technology

CDN
Fastly
Server
GitHub.com

Registration

Registrar
Squarespace Domains II LLC
Created
2008-06-04
Expires
2026-06-04 15 days left
Updated
2025-05-20
Name servers
  • ns-cloud-a1.googledomains.com
  • ns-cloud-a2.googledomains.com
  • ns-cloud-a3.googledomains.com
  • ns-cloud-a4.googledomains.com

DNS records live

NS
  • ns-cloud-a1.googledomains.com
  • ns-cloud-a2.googledomains.com
  • ns-cloud-a3.googledomains.com
  • ns-cloud-a4.googledomains.com
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org

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 2026-04-21 to 2026-07-20
Expires in 61 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)