indexo.dev

mathvn.com

.com crawl

First seen 2026-05-05 · Last seen 2026-05-12 · ok HTTP/1.1 200 2589 ms crawled 2026-05-12

US · 216.239.36.21 · AS15169 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Toán Học Việt Nam | Tài liệu Toán THPT, Đề thi đáp án, Chuyên đề
Description
Chia sẻ tài liệu toán học: giáo án, chuyên đề nâng cao, đề thi có lời giải chi tiết, file word môn toán chất lượng dành cho học sinh và giáo viên
Language
vi
Generator
blogger
Canonical
https://www.mathvn.com/
Feeds

Open Graph

url
https://www.mathvn.com/
title
Toán Học Việt Nam
site name
Toán Học Việt Nam

Technology

Server
GSE
CMS
Gatsby
Ads
  • Google AdSense
  • Meta Pixel
Fonts
  • Google Fonts
Third-party hosts loaded (11)
  • blogger.googleusercontent.com×7
  • www.blogger.com×6
  • cdnjs.cloudflare.com×3
  • pagead2.googlesyndication.com×3
  • ajax.googleapis.com×2
  • 1.bp.blogspot.com×1
  • connect.facebook.net×1
  • fonts.googleapis.com×1
  • resources.blogblog.com×1
  • www.facebook.com×1
  • www.google.com.vn×1

Social

Registration

Registrar
NameSilo, LLC
Created
2008-10-15
Expires
2027-10-15 514 days left
Updated
2025-07-08
Name servers
  • ns1.dnsowl.com
  • ns2.dnsowl.com
  • ns3.dnsowl.com

DNS records live

NS
  • ns1.dnsowl.com
  • ns2.dnsowl.com
  • ns3.dnsowl.com
MX
  • 10 mx4.emailowl.com
  • 10 mx5.emailowl.com
  • 10 mx6.emailowl.com
TXT
  • google-site-verification=g37KG4EusVHGF5R8Dv9YkbmmMcQ9Lmezd7QSwRtY1Gk

Email authentication partial

SPF
v=spf1 a mx ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaS29S6URL+S9mu0sq+extrr0tvVownD2UpjvpO0LZKeMTBl+Ux7v3Ec9mzqpNb08xytC26m70xbyxTS2Gwc…
selectors probed

Certificate (current)

WR3
from 2026-04-19 to 2026-07-18
Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.mathvn.com/

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

Links to (1)

Linked from (2)