knowbe4.com

Observed 2026-07-17T20:42:46.423Z (2h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withAmazon Registrar, Inc.

Also usesDockerGoogle Search ConsoleAtlassian

13 subdomains · cybersecurity_expanded

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat knowbe4.com actually stands on - every host below is a signed observation

knowbe4.com

A / AAAA

18.238.136.8018.238.136.2518.238.136.8818.238.136.9

Cloudflareserves the site

ns-1036.awsdns-01.orgns-853.awsdns-42.netns-1882.awsdns-43.co.ukns-38.awsdns-04.com

awsdns-01.org + awsdns-42.net + moreanswers its DNS

aspmx3.googlemail.comaspmx4.googlemail.comalt2.aspmx.l.google.comaspmx2.googlemail.com+3 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.knowbe4.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time1267 ms

DNS resolutionNOERROR

Redirect chain

https://www.knowbe4.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 4

18.238.136.80
18.238.136.25
18.238.136.88
18.238.136.9

MX 7

10aspmx3.googlemail.com
10aspmx4.googlemail.com
5alt2.aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx5.googlemail.com
1aspmx.l.google.com
5alt1.aspmx.l.google.com

TXT 32

apple-domain-verification=qmAh14g4OX1bkue8
docker-verification=e9e873bd-4dc8-437e-9718-93ee84b39448
19e0be4ea5354278ae7eacfc48bedb9b
google-site-verification=WrBl38sScepa-oAzO5AlDr6qeJqHniarCDURkDMLpQs
bhd25m1n5fj8h8c4bchk43oeb4
atlassian-domain-verification=ZhRqnN6RnH8AgFl3lYmodGh0L2aAKbEGfJETpJzak6O+lhMbMJ7WMiS392cSws63
wiz-domain-verification=e6478bb3edd119aa3e701c038708e3cb1f0f13e7691fc7b2b488592070ae6366
atlassian-domain-verification=OcPNSCfFoB9IocbkPrVxgaTPH2lCVlhD1MeWq//30V3aX05otEbViZRN5iaLjPWK
status-page-domain-verification=mncmp25mgt7j
amazonses:i7kVVveQqrOBBAmbA4eYXUtjyQz27rfUdUdlUdEjHjU=

NS 4

ns-1036.awsdns-01.org
ns-853.awsdns-42.net
ns-1882.awsdns-43.co.uk
ns-38.awsdns-04.com

SOA 1

ns-1036.awsdns-01.org awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (13)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for knowbe4.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/knowbe4.com">
  <img src="https://domaindrift.io/badge/knowbe4.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for knowbe4.com">
</a>

Ed25519 Receipt

Receipt ID: 2945332c-f3c8-427c-acfb-14dc944c1327
Output Hash: 070d80ba550a7a57e5deae7f055b80d40fd4825e1cca16fe30f40cb91e8a05c5
Signature: ed25519:288c6a24a32c2f50acb464013701489db068cf63fd1e36f477d6f5c1de551e9b175996096b8ff10f7dbe178f443c0520e5acbf65297107b8f1c0e923134d6808
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/knowbe4.com