bibliotecanacional.gov.co

.co crawl

First seen 2026-04-12 · Last seen 2026-05-20 · ok HTTP/1.1 200 4408 ms crawled 2026-05-20

US · 104.18.3.154 · AS13335 Cloudflare, Inc.

Reputation 100/100

sector government type homepage

HTML metadata

Title: Biblioteca Nacional de Colombia
Description: Entidad encargada de preservar y catalogar el patrimonio bibliográfico y documental del país para los investigadores, académicos y público en general.
Language: es-CO
Generator: Microsoft SharePoint
Canonical: https://www.bibliotecanacional.gov.co:443/es-co

Technology

CDN: Cloudflare
ASP.NET: 4.0.30319
jQuery: 3.5.1

Third-party hosts loaded (1)

via.placeholder.com×1

Social

DNS records live

NS

emely.ns.cloudflare.com
keanu.ns.cloudflare.com

MX

10 gw6163.fortimail.com
20 bibliotecanacional-gov-co.mail.protection.outlook.com

TXT

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3cq2nsz37g5qx1bpwm6j1zgdjmc3b2x1
5xc5q7yp26hty9s7zkwhl8xvynd1n7lb

Verified for

Brevo
Zoom

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com ip4:173.243.136.163 -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:administrador@bibliotecanacional.gov.co; ruf=mailto:administrador@bibliotecanacional.gov.co; pct=100

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmybWyrwdwyMnPw33jeylBqaVSIkOPihwHEH7qaxZvoBeYUkRUBakZxwguaINgmfX5F+w4SsFvfWFHh…
selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDHTkuFDPqErMJyZcG2EQOZRYetJ5Az2Xw6w9BcM2+dAn5T0BtGPZnlSXOZeuxBPujwrbbh65nOePMvPgBkHf…

selectors probed

Certificate (current)

from 2026-04-24 to 2026-07-23

Expires in 63 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.bibliotecanacional.gov.co/es-co

present

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

findings

missing HSTS
CSP uses wildcard sources
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' teams.microsoft.com *.teams.microsoft.com *.skype.com *.teams.microsoft.us local.teams.office.com *.powerapps.com *.yammer.com *.officeapps.live.com *.office.com *.stream.azure-test.net *.microsoftstream.com *.dynamics.com *.microsoft.com onedrive.live.com *.onedrive.live.com;