usdd.io
Observed Jul 27, 2026, 22:24 UTC (6d 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.
Up right now
Email byGoogle Workspace
Secured byAmazon
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usdd.io actually stands on - every host below is a signed observation
usdd.io
A / AAAA
54.242.167.49100.60.215.238
unattributedserves the site
NS
ns-44.awsdns-05.comns-904.awsdns-49.netns-1082.awsdns-07.orgns-1985.awsdns-56.co.uk
awsdns-05.com + awsdns-49.net + moreanswers its DNS
MX
smtp.google.com
Google Workspacereceives its email
TLS
*.usdd.io
Amazonissued its certificate
DNS Records
A 2
54.242.167.49100.60.215.238
MX 1
1smtp.google.com
TXT 4
v3hqcgm2d9gr7c9u1p0jc3h770v=spf1 include:_spf.google.com ~allgoogle-site-verification=bm1_xgdF3Xt9WoV6DIV9sp5ualpGD1r4QgI9PRN9y-wv=DMARC1; p=reject; pct=100; rua=mailto:admin@usdd.network; ruf=mailto:admin@usdd.network; fo=1
NS 4
ns-44.awsdns-05.comns-904.awsdns-49.netns-1082.awsdns-07.orgns-1985.awsdns-56.co.uk
SOA 1
ns-904.awsdns-49.net awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.usdd.io |
C=US, O=Amazon, CN=Amazon RSA 2048 M04 | Sat, 10 Oct 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 (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 receiptEd25519 Receipt
- Receipt ID
rcpt_dddb2cf530e21afe- Output Hash
c4ffddfb28949b7207d7b7da61f79892e3d37e82ea297a2a04c1e2f4f2bbc94b- Signature
ed25519:c0512e5c7f57ef313987ce9e3d50c3b577a55a54cbb9c8de5a660e5629fa3a6ea8966767f48bd9234a948b3cd63452ca866b5d243a20cc532d59895f80b96809- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast