indexo.dev

nguyenvu.dev

.dev crawl

First seen 2026-04-29 · Last seen 2026-05-07 · ok HTTP/1.1 200 260 ms crawled 2026-05-07

US · 104.21.21.199 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title
Vu Nguyen
Description
I spend most of my time building apps that solve problems I care about. I love the whole process, from the initial idea to shipping something polished. The best part is when something I built actually reaches people and helps them.
Language
en
Generator
Astro v4.16.19

Open Graph

url
http://localhost:4321/
title
Vu Nguyen
description
I spend most of my time building apps that solve problems I care about. I love the whole process, from the initial idea to shipping something polished. The best part is when something I built actually reaches people and helps them.

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • static.cloudflareinsights.com×2
  • fonts.googleapis.com×1
  • ghchart.rshah.org×1

Social

Contact

Address
Ho Chi Minh City, Vietnam

DNS records live

NS
  • aleena.ns.cloudflare.com
  • trevor.ns.cloudflare.com
MX
  • 13 route2.mx.cloudflare.net
  • 61 route3.mx.cloudflare.net
  • 78 route1.mx.cloudflare.net

Email authentication weak

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-03-17 to 2026-06-15
Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://nguyenvu.dev/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Links to (7)

Linked from (2)