indexo.dev

tduyng.com

.com crawl

First seen 2026-04-11 · Last seen 2026-04-11 · ok HTTP/1.1 200 5003 ms crawled 2026-05-19

US · 172.67.218.140 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Duy NG
Description
Backend Engineer · Open source · Terminal
Language
en
Canonical
https://tduyng.com/
Feeds

Open Graph

url
https://tduyng.com/
title
Duy NG
locale
en_US
site name
Duy NG
description
Backend Engineer · Open source · Terminal

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights

Third-party hosts loaded (2)

  • cloud.umami.is×1
  • static.cloudflareinsights.com×1

Social

Registration

Registrar
Porkbun LLC
Created
2024-05-23
Expires
2026-05-23 3 days left
Updated
2025-12-09
Name servers
  • blair.ns.cloudflare.com
  • terin.ns.cloudflare.com

DNS records live

NS
  • blair.ns.cloudflare.com
  • terin.ns.cloudflare.com
MX
  • 21 route2.mx.cloudflare.net
  • 60 route3.mx.cloudflare.net
  • 66 route1.mx.cloudflare.net
TXT
  • gitlab-pages-verification-code=955e950a0557cdccc869643ce0dbbd14
  • forward-email=tduyng.dev@gmail.com

Email authentication strong

SPF
v=spf1 include:_spf.mx.cloudflare.net ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:25f8c5e6@mxtoolbox.dmarc-report.com; ruf=mailto:25f8c5e6@forensics.dmarc-report.com; fo=1
policy: quarantine
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCYMpKWh+LRuZViJD1Qz9Q6gFfGeiaSC6b3M9/meQSSlQveHdM09q2OdKzn2RV9d4nhiqAjZWj8ixUzp8VoGE…
selectors probed

Certificate (current)

WE1
from 2026-05-16 to 2026-08-14
Expires in 87 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked live page: https://tduyng.com/

present
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
Header values
permissions-policy
interest-cohort=()

Links to (6)

Linked from (1)