round1usa.com

Observed Jul 28, 2026, 15:47 UTC (7h 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

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search Console

tranco

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

INFRASTRUCTURE MAPwhat round1usa.com actually stands on - every host below is a signed observation

round1usa.com

A / AAAA

198.49.23.144198.49.23.145198.185.159.144198.185.159.145

unattributedserves the site

ns020-2k7eub7iok2i3ple.2.d-53.jpns020-2k7eub7iok2i3ple.2.d-53.orgns020-2k7eub7iok2i3ple.2.d-53.info

d-53.jp + d-53.org + moreanswers its DNS

round1usa-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

round1usa.com

Let's Encryptissued its certificate

DNS Records

A 4

198.49.23.144
198.49.23.145
198.185.159.144
198.185.159.145

MX 1

0round1usa-com.mail.protection.outlook.com

TXT 7

MS=ms77567865
apple-domain-verification=SRH4mRdZvFC8I0wX
airtable-verification=844d2f12287cde71d4cec909097ced99
linkedin-site-verification=dafe3d89-2dc9-4df8-85bf-4d4a835ff845
google-site-verification=xng7ZeXpGSJLkuXbznEJiMW-c4Wbz81ywqBDAihkBtQ
v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com include:servers.mcsv.net ip4:210.148.5.93 ip4:206.132.162.68 ip4:206.132.165.192/27 -all
v=DMARC1; p=quarantine; adkim=s; aspf=s;

NS 3

ns020-2k7eub7iok2i3ple.2.d-53.jp
ns020-2k7eub7iok2i3ple.2.d-53.org
ns020-2k7eub7iok2i3ple.2.d-53.info

SOA 1

ns000.d-53.net dns-managers.iij.ad.jp

TLS Certificates (3)

Common Name	Issuer	Expires
`round1usa.com`	C=US, O=Let's Encrypt, CN=YR1	Mon, 19 Oct 2026 20:12:44 +0000
`YR1`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +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 round1usa.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/round1usa.com">
  <img src="https://domaindrift.io/badge/round1usa.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for round1usa.com">
</a>

Ed25519 Receipt

Receipt ID: rcpt_b8c537b34b4a97b7
Output Hash: 9c87daaf49287d210593b4cbecfe5f4757ddb507a215a895659b3f3b35a186cd
Signature: ed25519:96990dd04b790bcf023fa438ff9961f414fb538465760223e9f220abe8f47221aa4871ee15c61f32f63c7c00312be52d73c853647c3b65824d8095b305797d09
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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