schneier.com

Observed 2026-07-17T12:29:50.970855426+00:00 (20m ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAutomattic

Email byMailchimp

Secured byGoogle Trust Services

cybersecurity_expanded

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

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

schneier.com

A / AAAA

199.16.173.239199.16.172.203

Automatticserves the site

ns80.worldnic.comns79.worldnic.com

worldnic.comanswers its DNS

mx2.emailsrvr.commx1.emailsrvr.com

Mailchimpreceives its email

TLS

tls.automattic.com

Google Trust Servicesissued its certificate

DNS Records

A 2

199.16.173.239
199.16.172.203

MX 2

20mx2.emailsrvr.com
10mx1.emailsrvr.com

TXT 2

v=spf1 a include:emailsrvr.com include:servers.mcsv.net ip4:204.11.247.92 ip4:204.11.247.93 ?include:netblocks.dreamhost.com ?include:spf.modwest.com ~all
v=DMARC1; p=none; ruf=mailto:dmarc24@schneier.com;fo=0

NS 2

ns80.worldnic.com
ns79.worldnic.com

SOA 1

NS79.WORLDNIC.com namehost\@WORLDNIC.com

TLS Certificates (3)

Common Name	Issuer	Expires
`tls.automattic.com`	C=US, O=Google Trust Services, CN=WR1	Mon, 14 Sep 2026 11:07:01 +0000
`WR1`	C=US, O=Google Trust Services LLC, CN=GTS Root R1	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R1`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 schneier.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: cddad126-c874-4ff6-b75b-cefe396ae0e3
Output Hash: 25f60bf8cb07bc90c61a4c9828ce98120d42ef3cc5c143f3e3358701a5e4c6d1
Signature: ed25519:beabdddce488eab1511acab9c341e4c71340b0fbde800a596267f18910d025e026dd179dcf8699b394ad9d5dd4712f05a36268b3d412978449b47b73c39de606
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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