indexo.dev

esdelibro.es

.es crawl

First seen 2026-04-14 · Last seen 2026-05-08 · ok HTTP/1.1 200 1807 ms crawled 2026-05-08

ES · 70.156.177.3 · AS8075 Microsoft Corporation

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Es de libro
Description
Es de libro es un programa educativo promovido por CEDRO y dirigido al conjunto de la comunidad educativa, para fomentar la lectura, la creación textual y el respeto a los derechos de autor.
Generator
Sitefinity 7.1.5200.0 SE
Canonical
https://www.esdelibro.es

Technology

Server
Microsoft-IIS
Social widgets
  • YouTube Embed

Third-party hosts loaded (1)

  • www.youtube.com×3

Social

DNS records live

NS
  • dns10.servidoresdns.net
  • dns9.servidoresdns.net
MX
  • 10 mx.serviciodecorreo.es
TXT
  • Th1zxz57Dm5PQEDseyD+yqfxgxx7XNuOkpNrKPre2NQ=

Email authentication weak

SPF
v=spf1 include:_spf.serviciodecorreo.es v=spf1 include:_spf.serviciodecorreo.es include:s808.smtp-spf.sureserver.com ~all ~all
softfail (~all)
DMARC
not published
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDe1O1UzlSjGXMzjKGy7WtTXdZxZjv9FCyx/L11hD9DapldKHHDw+KcWd32RJQQmL0jYNwW+o+DYn+BGfFQlb…
selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36
from 2026-02-27 to 2027-03-29
Expires in 313 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://esdelibro.es/

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

Links to (7)

Linked from (2)