indexo.dev

certificadocursosonline.com

.com crawl

First seen 2026-05-08 · Last seen 2026-05-08 · ok HTTP/1.1 200 1328 ms crawled 2026-05-15

US · 104.26.11.78 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Certificado Cursos Online: 281 Cursos Online Gratuitos!
Description
Certificado Cursos Online: 281 Cursos Online Gratuitos! Rápido e Válido, para Horas Complementares, Concursos públicos, Enriquecer o seu currículo e muito mais!
Language
pt-BR
Generator
WordPress 4.9.29
Canonical
https://certificadocursosonline.com/
Feeds

Open Graph

url
https://certificadocursosonline.com/
title
Certificado Cursos Online: 281 Cursos Online Gratuitos!
locale
pt_BR
site name
Cursos Online Com Certificado
description
Certificado Cursos Online: 281 Cursos Online Gratuitos! Rápido e Válido, para Horas Complementares, Concursos públicos, Enriquecer o seu currículo e muito mais!
updated time
2026-04-17T11:39:48+00:00

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Cloudflare Insights
Fonts
  • Google Fonts
Third-party hosts loaded (10)
  • lh3.googleusercontent.com×4
  • maxcdn.bootstrapcdn.com×3
  • platform-lookaside.fbsbx.com×2
  • ajax.googleapis.com×1
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1
  • gmpg.org×1
  • s.w.org×1
  • static.cloudflareinsights.com×1
  • www.google.com×1

Social

Contact

Address
R. Marquês do Maricá, 104, 91750-460, Porto Alegre, Rio Grande Do Sul, BR

Registration

Registrar
PDR Ltd. d/b/a PublicDomainRegistry.com
Created
2017-04-13
Expires
2027-04-13 327 days left
Updated
2026-03-10
Name servers
  • chloe.ns.cloudflare.com
  • paul.ns.cloudflare.com

DNS records live

NS
  • chloe.ns.cloudflare.com
  • paul.ns.cloudflare.com
MX
Show 8 MX records
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 10 mxa.api-mail.com
  • 10 mxb.api-mail.com
  • 20 server1.certificadocursosonline.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • v = spf1 mx a ptr a: certificadocursosonline.com ip4: 164.68.123.139 iinclude: _spf.google.com include:emsd1.com ~ all ~ all iinclude: v=spf1 include:api-mail.com ~all

Email authentication weak

SPF
not published
DMARC
v=DMARC1; p=none; sp=quarantine; rua=mailto:suporte@certificadocursosonline.com; ruf=mailto:ruf@certificadocursosonline.com
policy: none (monitoring only) · sp=quarantine
DKIM
  • default: v=DKIM1; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGmL7iIz1gUj32CTxLV9luMSgor0UlRo1j50B13YYzJDB5YRdniYeqjS2R7D0ybZ9LefNlUimr/T4fzS0w0BWq…
selectors probed

Certificate (current)

WE1
from 2026-03-23 to 2026-06-21
Expires in 31 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://certificadocursosonline.com/

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

Links to (5)

Linked from (1)