indexo.dev

hyeonjeon.com

.com crawl

First seen 2026-04-26 · Last seen 2026-04-26 · ok HTTP/1.1 200 841 ms crawled 2026-05-19

US · 198.185.159.144 · AS53831 Squarespace, Inc.

Reputation 95/100 weak security headers

sector other type homepage

HTML metadata

Title
Hyeon Jeon's Webpage
Description
Hyeon Jeon's Webpage
Language
en

Technology

CDN
Amazon CloudFront
Server
AmazonS3
CMS
Gatsby

Registration

Registrar
Squarespace Domains II LLC
Created
2020-07-30
Expires
2026-07-30 70 days left
Updated
2025-07-15
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

Email authentication no MX

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

Certificate (current)

R13
from 2026-04-17 to 2026-07-16
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)