ustr.gov
Observed Jul 18, 2026, 13:04 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onAmazon
Secured byAmazon
IPv6 · 1 subdomain · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ustr.gov actually stands on - every host below is a signed observation
ustr.gov
A / AAAA
108.138.85.97108.138.85.99108.138.85.113108.138.85.122+8 more
Amazonserves the site
NS
celine.ns.cloudflare.comhasslo.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mailhost1.whmo.milmailhost3.whmo.mil
whmo.milreceives its email
TLS
ustr.gov
Amazonissued its certificate
DNS Records
A 4
108.138.85.97108.138.85.99108.138.85.113108.138.85.122
AAAA 8
2600:9000:2509:2800:14:1af2:8f00:93a12600:9000:2509:5200:14:1af2:8f00:93a12600:9000:2509:6200:14:1af2:8f00:93a12600:9000:2509:6400:14:1af2:8f00:93a12600:9000:2509:7e00:14:1af2:8f00:93a12600:9000:2509:8000:14:1af2:8f00:93a12600:9000:2509:b000:14:1af2:8f00:93a12600:9000:2509:fa00:14:1af2:8f00:93a1
MX 2
105mailhost1.whmo.mil110mailhost3.whmo.mil
TXT 2
v=spf1 -allv=DMARC1;p=reject;aspf=s;adkim=s;fo=0:1:d:s;rua=mailto:reports@dmarc.cyber.dhs.gov
NS 2
celine.ns.cloudflare.comhasslo.ns.cloudflare.com
SOA 1
celine.ns.cloudflare.com dns.cloudflare.com
CAA 14
issue "amazontrust.com"issue "comodoca.com"issue "digicert.com; cansignhttpexchanges=yes"issue "entrust.net"issue "letsencrypt.org"issue "pki.goog; cansignhttpexchanges=yes"issue "ssl.com"issuewild "amazontrust.com"issuewild "comodoca.com"issuewild "digicert.com; cansignhttpexchanges=yes"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
ustr.gov |
C=US, O=Amazon, CN=Amazon RSA 2048 M04 | Sat, 26 Sep 2026 23:59:59 +0000 |
Amazon RSA 2048 M04 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:26:35 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +0000 |
Subdomains (1)
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 receiptEd25519 Receipt
- Receipt ID
b16eb2df-132d-4eee-bc89-4c04397ea767- Output Hash
8759ad0e3aa2ffaa483fb5b95c94c63df59822efe14d1f1db4e8545d8bda24d9- Signature
ed25519:06464f0cdf02adb4998133c7512d44f2b966f52f68e3acb2cf594ac79b7fb047fc3839cf86420a5a1a57083895e1ffd7bd43bbdb1db002228f2e47e7077fe406- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast