columbiacollege.co

.co crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 1834 ms crawled 2026-05-20

US · 74.220.207.171 · AS31898 Oracle Corporation

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Columbia Nursing College
Description
Columbia College, established in the year 2004 with the aim of providing value-added education while striving for professional excellence and never forgetting ethical values.
Language
en

Technology

Server
nginx
Analytics
  • Google Tag Manager
Social widgets
  • YouTube Embed

Third-party hosts loaded (2)

  • www.googletagmanager.com×1
  • www.youtube.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.hostmonster.com
  • ns2.hostmonster.com
MX
  • 0 columbiacollege-co.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-21 to 2026-07-20
Expires in 60 days

HTTP security headers

Header hygiene 50/100 Checked live page: https://columbiacollege.co/

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests

Links to (8)

Linked from (1)