indexo.dev

certifirm.eu

.eu crawl

First seen 2026-05-29 · Last seen 2026-05-31 · ok HTTP/1.1 200 221 ms crawled 2026-05-31

US · 104.21.54.100 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Certifirm – Certificación y Firma Digital de Documentos
Description
Firma contratos online, certifica emails, envía burofax electrónico y sella documentos con sello de tiempo RFC 3161. Firma electrónica avanzada con validez legal en la UE. Gratis.
Language
es
Canonical
https://certifirm.eu/

Open Graph

url
https://certifirm.eu/
title
Certifirm – Firma Electrónica y Entrega Certificada de Documentos
description
Firma contratos online, certifica emails, envía burofax electrónico y sella documentos con sello de tiempo RFC 3161. Firma electrónica avanzada con validez legal en la UE. Gratis.

Technology

CDN
Cloudflare
JS framework
Angular 21.1.5
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Contact

Address
Calle Pintor Alsamora 45, 08016, Barcelona, ES

DNS records live

NS
  • corey.ns.cloudflare.com
  • nucum.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Brevo
  • Google

Email authentication strong

SPF
v=spf1 a mx ip4:207.180.197.89 ip6:2a02:c207:2021:0138:0000:0000:0000:0001 include:_spf.google.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:9597b0bb096d427f8265caf6c8354295@dmarc-reports.cloudflare.net,mailto:dmarc@mailinblue.com,mailto:mailadmin@certifirm.eu; ruf=mailto:dmarc@mailinblue.com,mailto:mailadmin@certifirm.eu; rf=afrf; pct=100; ri=86400
policy: quarantine · sp=quarantine
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDgoESfOPT3aRnqxF1TqZq9aS2f5QXU1MYjkTMijnNc+f7P70uMv/nj9AK2O3MVsMvCoWYYkuImFy1LouHIQl…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

WE1
from 2026-04-21 to 2026-07-20
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://certifirm.eu/

present
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff

Linked from (1)