semianalysis.com

Observed Jul 18, 2026, 12:40 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

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: fdf76323-c079-463c-8e55-373281f0b405
Output Hash: 07066e58b2cd6c6b2cfc1b166acb0119d72c7958448c14992b72e0542493f8fb
Signature: ed25519:bc76fcd3ef1a027dade2837e586a52020bc6eaf3288c9c2b27a496ed4d0e1c8e0f8ae87d4984e5f27930d2eaeff5a639eb7b1c4d6d7a8fe72861343bd61dd401
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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