semianalysis.com

Observed 2026-07-14T07:37:54.248Z (12h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Registered withSquarespace Domains II LLC

Also usesSlackHubSpotGoogle Search ConsoleAtlassian

3 subdomains · 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

199.16.172.144199.16.173.219

Cloudflareserves the site

jay.ns.cloudflare.comanastasia.ns.cloudflare.com

cloudflare.comanswers its DNS

alt3.aspmx.l.google.comalt4.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time130 ms

DNS resolutionNOERROR

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

DNS Records

A 2

199.16.172.144
199.16.173.219

MX 5

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

TXT 11

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

NS 2

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

SOA 1

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

TLS Certificates (0)

None.

Subdomains (3)

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: 79f601b6-f0b6-48be-b7a8-1aeaa0b7c42f
Output Hash: 7ba56a097997984b13b3f53c181cdc988758b6ef8974804e98e9a1e62e8c73c6
Signature: ed25519:ac110f9fa7ab1d9ee16ce4307f6b51dcc95afc3f3e62fb0ed5023054ee020e0e13854f2959b4222ae6bfdf970ef23645ac86f45512df2e63637a402beb859d0f
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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