indexo.dev

cosn.org

.org crawl

First seen 2026-04-22 · Last seen 2026-05-15 · ok HTTP/1.1 200 1180 ms crawled 2026-05-15

US · 162.159.134.42 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
CoSN | K-12 Education Technology Leadership Association
Description
CoSN empowers K-12 education technology leaders with resources, community, and advocacy. Join us in shaping the future of edtech leadership.
Language
en-US
Canonical
https://www.cosn.org/
Feeds

Open Graph

url
https://www.cosn.org/
title
CoSN | K-12 Education Technology Leadership Association
locale
en_US
site name
CoSN
description
CoSN empowers K-12 education technology leaders with resources, community, and advocacy. Join us in shaping the future of edtech leadership.

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Third-party hosts loaded (8)
  • www.googletagmanager.com×4
  • fonts.googleapis.com×3
  • www.googletagservices.com×3
  • px.ads.linkedin.com×2
  • cdn.linearicons.com×1
  • fonts.gstatic.com×1
  • gmpg.org×1
  • tag.simpli.fi×1

Social

Contact

Email
Phone
Address
rue success!You can still visit our officialCoSN2026

Registration

Registrar
Network Solutions, LLC
Created
1993-03-23
Expires
2028-03-24 675 days left
Updated
2026-01-28
Name servers
  • ns3.worldnic.com
  • ns4.worldnic.com

DNS records live

NS
  • ns3.worldnic.com
  • ns4.worldnic.com
MX
  • 0 cosn-org.mail.protection.outlook.com
TXT
Show 6 TXT records
  • MS=ms89320324
  • google-gws-recovery-domain-verification=52488915
  • ca3-f7cdd193026f49429333ec1fd8360747
  • google-site-verification=QB6fxNAWtVXCf069-z1KhNMyucEwm_aUu6PHD0iSAjo
  • ca3-2cb36c307a994d16b8fc076732c3129d
  • e2ma-verification=paqab

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:spf.cadmiumcd.com include:spf.mandrillapp.com include:mail.zendesk.com include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; pct=100; fo=1; rua=mailto:dmarc@cosn.org; ruf=mailto:dmarc@cosn.org;
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5jvtCuLxYtEG8zFp63fxx70NRcGSwDOkllpvMdyXaAvuB32QeScn1UasoNQOBPvuSAKRvT9wpbvsGP…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

WE1
from 2026-04-02 to 2026-07-01
Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.cosn.org/

present
  • x-content-type-options
  • permissions-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
Header values
permissions-policy
interest-cohort=()
x-content-type-options
nosniff

Links to (11)

Linked from (2)