tandem.edu.co

.co crawl

First seen 2026-04-16 · Last seen 2026-05-13 · ok HTTP/1.1 200 3289 ms crawled 2026-05-11

US · 160.153.133.215 · AS21499 Host Europe GmbH

Reputation 87/100 weak security headers no dmarc policy

sector education type homepage

HTML metadata

Title

TANDEM – Apoyo en procesos escolares

Language

Generator

WordPress 5.8.13

Canonical

https://www.tandem.edu.co/

Feeds

Technology

Server: Apache
CMS: WordPress

Fonts

Google Fonts

Third-party hosts loaded (6)

fonts.googleapis.com×2
calendar.google.com×1
fonts.gstatic.com×1
gmpg.org×1
s.w.org×1
www.google.com×1

Social

Contact

Phone

DNS records live

NS

ns65.domaincontrol.com
ns66.domaincontrol.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

Email authentication weak

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Go Daddy Secure Certificate Authority - G2

from 2026-05-03 to 2026-06-22

Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.tandem.edu.co/

findings

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