defenseone.com

Observed Jul 18, 2026, 13:19 UTC (16h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onMicrosoft Corporation

Email byGoogle Workspace

Secured byDigiCert

Registered withAmazon Registrar, Inc.

Also usesFacebook/MetaGoogle Search Console

tranco_40k

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

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

defenseone.com

A / AAAA

20.119.16.4

Microsoft Corporationserves the site

ns1-02.azure-dns.comns2-02.azure-dns.netns3-02.azure-dns.orgns4-02.azure-dns.info

azure-dns.com + azure-dns.net + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

TLS

defenseone.com

DigiCert Incissued its certificate

DNS Records

A 1

20.119.16.4

MX 5

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

TXT 13

adobe-idp-site-verification=962ed12a-5dc1-4d8c-a43c-b4fcd3d530e2
facebook-domain-verification=uz5oi4b8fip1aybz67norr9al37w4q
MS=ms98792675
_globalsign-domain-verification=R1bvWDvJUF1gpXlmc7Q3deFwpZciil5dpJR4t-a8XM
v=spf1 include:_spf.google.com ~all
google-site-verification=bubuoNWVX5F5FjWNFqpsH497JNNEIkym1KjFafsx_co
google-site-verification=IbQp66lcOw0AjriGiPkhpAg-iFOZdmyTApVPc_wHN74
google-site-verification=yJBlLjyVR4ZCGV2VDOrEJ11UW35oY5mk4nEM6c6l-9Q
MS=ms41925702
ynkg19bfdmpygyzpm7gyj7k2v4r627f5

NS 4

ns1-02.azure-dns.com
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info

SOA 1

ns1-02.azure-dns.com premiumdns.support.neustar

TLS Certificates (2)

Common Name	Issuer	Expires
`defenseone.com`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1	Wed, 16 Dec 2026 23:59:59 +0000
`GeoTrust TLS RSA CA G1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 02 Nov 2027 12:23:37 +0000

Subdomains (0)

None observed.

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 defenseone.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: e82fd37b-daf6-4eb7-b71e-7d5f33419183
Output Hash: 899e2e78473c406f9b71b149310c4c776a148c1d2744e03ccb5afe8e51d9f51d
Signature: ed25519:068c24b64b37811091fb0e6010fb737afae64c12d28f3bb0280f4c4a04f90131846e8739f2dd77732a339b6d822a3ab90eb32c2d9046661244ece61ce7a1a500
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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