indexo.dev

prestonfu.com

.com crawl

First seen 2026-04-30 · Last seen 2026-05-08 · ok HTTP/1.1 200 2155 ms crawled 2026-05-08

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Preston Fu
Description
Undergrad at UC Berkeley
Language
en

Open Graph

title
Preston Fu
description
Undergrad at UC Berkeley

Technology

CDN
Vercel

Social

Registration

Registrar
Squarespace Domains II LLC
Created
2020-05-25
Expires
2026-05-25 6 days left
Updated
2025-05-10
Name servers
  • ns-cloud-d1.googledomains.com
  • ns-cloud-d2.googledomains.com
  • ns-cloud-d3.googledomains.com
  • ns-cloud-d4.googledomains.com

DNS records live

NS
  • ns-cloud-d1.googledomains.com
  • ns-cloud-d2.googledomains.com
  • ns-cloud-d3.googledomains.com
  • ns-cloud-d4.googledomains.com

Email authentication no MX

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

Certificate (current)

R12
from 2026-03-28 to 2026-06-26
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

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

Links to (7)

Linked from (1)