indexo.dev

certus.com

.com crawl

First seen 2026-04-15 · Last seen 2026-05-14 · ok HTTP/1.1 200 2083 ms crawled 2026-05-09

NL · 89.106.200.197 · AS209626 Enflow B.V.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Certus | Driven by people. Accelerated by technology.
Description
Certus delivers technical skills training and compliance solutions that give learners and businesses the confidence to open the door to what's next.
Language
en
Canonical
https://www.certus.com

Open Graph

url
https://www.certus.com
title
Certus | Driven by people. Accelerated by technology.
site name
Certus
description
Certus delivers technical skills training and compliance solutions that give learners and businesses the confidence to open the door to what's next.

Technology

Analytics
  • Google Tag Manager
  • Hotjar

Third-party hosts loaded (4)

  • www.googletagmanager.com×4
  • ajax.googleapis.com×2
  • cdn.jsdelivr.net×2
  • static.hotjar.com×2

Registration

Registrar
GoDaddy.com, LLC
Created
1995-11-06
Expires
2032-10-27 2353 days left
Updated
2022-12-15
Name servers
  • ns1-01.azure-dns.com
  • ns2-01.azure-dns.net
  • ns3-01.azure-dns.org
  • ns4-01.azure-dns.info

DNS records live

NS
  • ns1-01.azure-dns.com
  • ns2-01.azure-dns.net
  • ns3-01.azure-dns.org
  • ns4-01.azure-dns.info
MX
  • 0 certus-com.mail.protection.outlook.com
TXT
Show 13 TXT records
  • apple-domain-verification=p8qh1KOVu5C0LM59
  • slack-domain-verification=hyz6Hw6sNSHpyx5deCvOvR8cyOMdWM9r7Vj6H7j3
  • logmein-verification-code=b7d8c6b9-fa59-4f0d-bdf1-6eeed446a13c
  • apple-domain-verification=9BujKW6iUtsdjKrC
  • 1password-site-verification=FCAMLKSSWJADXC4F7ILWTMGHZY
  • openai-domain-verification=dv-0zeJoBooBc7EEK7xkXjAaBPx
  • anthropic-domain-verification-c7fzcb=1MApdWw4pfNI5Vf2zEKwmmz2Z
  • atlassian-domain-verification=rUS5u5Y6P2ihJNBrJMDkxXFJysuhwhBceWl1eSAXyGrqSP1oHcjrhIzSqea2pPmf
  • mlgk57t4n8wfb6l13v88tpymb9n7bpf4
  • google-site-verification=TJ8gV-2oK2X-8gl7HJOSyKKJFcWdWFewt-q7Issc324
  • zoom
  • knowbe4-site-verification=7c19a2c00ae9a1791d86741725105099
  • v=DMARC1; p=none; pct=100; rua=mailto:network.admin@certus.com

Email authentication partial

SPF
v=spf1 ip4:147.124.160.0/19 ip4:198.105.202.0/23 ip4:198.105.207.0/24 ip4:208.69.28.0/23 ip4:38.107.71.0/24 ip4:147.124.160.0/19 ip4:162.213.152.0/23 ip4:198.105.200.0/23 ip4:198.105.206.0/24 include:spf.protection.outlook.com include:sendgrid.net include:app.na5.teamsupport.com -all
strict (-all)
DMARC
v=DMARC1; p=none; pct=100; rua=mailto:dmarc@certus.com
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyLI/mXUqtwopd7soVr+ycHk4PsDR/KNNHgsi9C/9EiT095laM2sx8cCtIhFPX85pEJOmtNLIThjJb3…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxuVKFuc91u58KxNEnnO61bsrhGWnC93VggRsPJaYBLURl4XOmOnsxON9kxvOoU80C3+WmDwusDgRk1y6/D…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDIX/47wxC4flvzdsx4lxs645/TmTd1R7YM9H56DiswSTnCHu4uPvogHO1ASYF6DFG7xxTN+IK4WA7/08ggt/yVw3…
selectors probed

Certificate (current)

E7
from 2026-03-13 to 2026-06-11
Expires in 23 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.certus.com

present
  • strict-transport-security
  • x-content-type-options
  • referrer-policy
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-content-type-options
nosniff
strict-transport-security
max-age=10886400; includeSubDomains; preload

Links to (1)

Linked from (11)