indexo.dev

gvn.co

.co crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1626 ms crawled 2026-05-30

US · 172.67.153.93 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Diễn đàn GVN
Description
Diễn đàn GVN
Language
vi-VN
Canonical
https://f.gvn.co/
Feeds

Open Graph

url
https://f.gvn.co/
title
Diễn đàn GVN
site name
Diễn đàn GVN
description
Diễn đàn GVN

Technology

CDN
Cloudflare
Analytics
  • Cloudflare Insights
  • Google Tag Manager
Social widgets
  • YouTube Embed

Third-party hosts loaded (4)

  • i.imgur.com×1
  • static.cloudflareinsights.com×1
  • www.googletagmanager.com×1
  • www.youtube.com×1

DNS records live

NS
  • hugh.ns.cloudflare.com
  • lucy.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:7c508f47451c44b6b214d04c1515268c@dmarc-reports.cloudflare.net
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwf937NMP0N1mhRubqCFJt8+yDMwyTwn+Ixu4druYp2eVBnyTdwwNyRr+mguZcHQyu/Q6hctpPYdwTz…
selectors probed

Certificate (current)

E8
from 2026-05-19 to 2026-08-17
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://f.gvn.co/

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • weak content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff, nosniff

Links to (2)

Linked from (1)