libreriadelcolegio.es

.es crawl

First seen 2026-04-21 · Last seen 2026-05-12 · ok HTTP/1.1 200 1041 ms crawled 2026-05-15

US · 104.21.71.253 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title: default

Technology

CDN: Cloudflare

DNS records live

NS

dale.ns.cloudflare.com
sharon.ns.cloudflare.com

MX

10 smtp-02.servidoresdns.net

Email authentication weak

SPF: v=spf1 include:mail.zendesk.com include:spf.mailjet.com include:spf.zoho.com include:transmail.net ?all
neutral (?all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-02 to 2026-07-01

Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://libreriadelcolegio.es/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options

findings

missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self';
strict-transport-security: max-age=15552000; includeSubdomains

Linked from (7)