usopen.com

Observed Jul 27, 2026, 21:58 UTC (5d 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

Guarded by a firewall

Secured byDigiCert

Also usesGoogle Search ConsoleFacebook/Meta

IPv6 · 11 subdomains · tranco_100k

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

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

usopen.com

A / AAAA

23.204.215.1432600:1408:c400:397::1b7f2600:1408:c400:38a::1b7f

2600serves the site

a28-65.akam.neta13-67.akam.neta1-63.akam.neta4-66.akam.net+2 more

akam.netanswers its DNS

TLS

www.usga.org

DigiCert Incissued its certificate

DNS Records

A 1

23.204.215.143

AAAA 2

2600:1408:c400:397::1b7f
2600:1408:c400:38a::1b7f

TXT 14

_b065ht0eouguc3bx43f6g1feegng4zv
3f96l1mxmkj86421zd6fy12d21sr8cp1
facebook-domain-verification=nde1pve86afxe1wdr18mkud2mhfuto
v=spf1 -all
_xaojxn7lsnk8bogdyw9z6to7ytra1ds
n5q0vfkg18d4tpm0b93dm45h5w2syyq7
detectify-verification=7a19bc400ff28b697089bc8aab25c2a9
j78bhn4vywscdnv24rgws55rkkrqzg84
google-site-verification=-hLNqNDKgmby-lWtokG4_dNzWO5TtA94IxvIlgKBkZ0
1hqgx62xwbtmzt2qxwmpghbmb8558xv3

NS 6

a28-65.akam.net
a13-67.akam.net
a1-63.akam.net
a4-66.akam.net
a11-66.akam.net
a2-64.akam.net

SOA 1

a4-66.akam.net hostmaster.akamai.com

TLS Certificates (2)

Common Name	Issuer	Expires
`www.usga.org`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1	Tue, 26 Jan 2027 23:59:59 +0000
`GeoTrust TLS RSA CA G1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 02 Nov 2027 12:23:37 +0000

Subdomains (11)

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 usopen.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_f9b8872e78f92f8e
Output Hash: 0ddae8d173b28bb41f4f91db3a03f4ac67a1ccfc5779a600478ad41d45cd0123
Signature: ed25519:85b08c7bd9c397d70e3029cd7115bc3063d1d77102dbed3bcbb9baa9f69b01919b4f9cf006213e7817c6f5b8402c71c2f4f2002bcf40ffde2b405fcdd1905009
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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