indexo.dev

entrena.co

.co crawl

First seen 2026-04-13 · Last seen 2026-05-02 · ok HTTP/1.1 200 567 ms crawled 2026-05-07

US · 15.197.148.33 · AS16509 Amazon.com, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

DNS records live

NS
  • ns59.domaincontrol.com
  • ns60.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
TXT
  • v = spf1 incluyen: spf.improvmx.com ~ todos
  • google-site-verification=IpRRQYgrTQfyFOpF3wRr2YHGTnvQi9uTZyYw6Ve7h8I

Email authentication partial

SPF
v=spf1 +ip4:68.66.200.212 +include:spf.supercp.com +include:dc-aa8e722993._spfm.entrena.co ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Go Daddy Secure Certificate Authority - G2
from 2025-05-09 to 2026-05-09
Expired 9 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://entrena.co/

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

Linked from (1)