indexo.dev

codestackacademy.org

.org crawl

First seen 2026-04-21 · Last seen 2026-05-12 · ok HTTP/1.1 200 3085 ms crawled 2026-05-15

US · 20.98.97.24 · AS8075 Microsoft Corporation

Reputation 95/100 weak security headers

sector education type homepage

HTML metadata

Title
CodeStack Academy
Language
en

Technology

Server
Microsoft-IIS
Analytics
  • Google Tag Manager
Fonts
  • Font Awesome
  • Google Fonts

Third-party hosts loaded (4)

  • www.googletagmanager.com×2
  • fonts.gstatic.com×1
  • px.ads.linkedin.com×1
  • use.fontawesome.com×1

Registration

Registrar
Tucows Domains Inc.
Created
2018-07-06
Expires
2026-07-06 48 days left
Updated
2025-07-08
Name servers
  • ns1.systemdns.com
  • ns2.systemdns.com
  • ns3.systemdns.com

DNS records live

NS
  • ns1.systemdns.com
  • ns2.systemdns.com
  • ns3.systemdns.com
MX
  • 10 mxa.mailgun.org
  • 10 mxb.mailgun.org
TXT
  • 201807092025372ousdhhnd0jx3xerzpep5fxcnw9sxpmtid4wsrsaiz2w1bqupy
  • codestack-prod-www-west.azurewebsites.net

Email authentication strong

SPF
v=spf1 +mx +a ip4:149.72.170.114 ip4:149.72.254.73 include:sendgrid.net include:amazonses.com include:mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; sp=reject; adkim=s; aspf=s; rua=mailto:dd1a0fca@dmarc.mailgun.org,mailto:b155d965@inbox.ondmarc.com,mailto:dmarc_agg@vali.email; ruf=mailto:dd1a0fca@dmarc.mailgun.org,mailto:b155d965@inbox.ondmarc.com;
policy: reject (enforced) · sp=reject
DKIM
Show 12 DKIM selectors
  • default: v=DKIM1; p=
  • google: v=DKIM1; p=
  • selector1: v=DKIM1; p=
  • selector2: v=DKIM1; p=
  • k1: v=DKIM1; p=
  • k2: v=DKIM1; p=
  • mail: v=DKIM1; p=
  • dkim: v=DKIM1; p=
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwuSycMnjFaQpDeoMPFbVs5UpmMKolAh3FlnikUyBV6P+E1+W8+NBxtIAic8VCj4VlFt2QdhPdfzu60TgTx…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDOupWHalHkirE/Ie4Rbyr26FrbqQ7C9WLQ+oXIiurSYq1N2E2DI0nKFsRxA5R7ur/bZPasw7/6N6y5cGKGrKMjA+…
  • mxvault: v=DKIM1; p=
  • smtpapi: v=DKIM1; p=
selectors probed

Certificate (current)

RapidSSL TLS RSA CA G1
from 2026-03-24 to 2026-10-09
Expires in 143 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://codestackacademy.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (2)