semianalysis.com

Observed Jul 21, 2026, 19:58 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onAutomattic

Email byGoogle Workspace

Secured byGoogle Trust Services

Registered withSquarespace Domains II LLC

Also usesAtlassianGoogle Search ConsoleSlackHubSpot

push_legacy

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

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

semianalysis.com

A / AAAA

199.16.173.219199.16.172.144

Automatticserves the site

anastasia.ns.cloudflare.comjay.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

tls.automattic.com

Google Trust Servicesissued its certificate

DNS Records

A 2

199.16.173.219
199.16.172.144

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 10

anthropic-domain-verification-hg3tjp=jEXPq6DxclkmKq7D6PJyLMge4
atlassian-domain-verification=BHhMZS69I8FTWvX6uXMzbkx4pajAMRxYGO7/U2viBzc9Z085V48pdyb9xFIaIn3D
atomic-domain-96d1c2f1752083979933f8a4abd523b1875285d0d6491df0b3259fc1a5b8351f
google-site-verification=6hadrih2IMOs4hGhsB3mQYu5ANdLAdtCIHE_JgIfCWg
google-site-verification=eTWZa5y2P4QAQSMHU4kpdClW2IapQjXa1pZfjOYVny0
neon-domain-verification=H-ayPJ8znon7af6wqiB0Ou05-MR2kzrp
perplexity-ai-domain-verification-8s76ck=hrrqohRYYDAB1D1TGdnE0aytc
slack-domain-verification=KT6AK3Wd1lOzJmdncCtcGB2KcLAgYBO2EpiRwrUY
v=spf1 include:_spf.google.com include:46135247.spf07.hubspotemail.net ~all
v=DMARC1; p=reject; rua=mailto:postmaster@semianalysis.com; adkim=s; aspf=s

NS 2

anastasia.ns.cloudflare.com
jay.ns.cloudflare.com

SOA 1

anastasia.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`tls.automattic.com`	C=US, O=Google Trust Services, CN=WR1	Fri, 16 Oct 2026 08:18:14 +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 semianalysis.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_09f29124b4cece66
Output Hash: 086677b1d085a5dc7a48c60d00d50a135983ace66022d3851b39584326be2a22
Signature: ed25519:4b10131050550ce966dc6a5880fc3240a4e2fa27d84f0274ac8d6229b8122a4a6f730da889f131c9e197e653af8e61b6f6090243cc13b60e27dd947cb5387709
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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