usd492.org
Observed Jul 27, 2026, 20:12 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 byLet's Encrypt
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usd492.org actually stands on - every host below is a signed observation
usd492.org
A / AAAA
34.238.178.141
unattributedserves the site
NS
ns1.directnic.comns0.directnic.comns3.directnic.comns2.directnic.com
directnic.comanswers its DNS
MX
ALT4.ASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
TLS
usd492.org
Let's Encryptissued its certificate
DNS Records
A 1
34.238.178.141
MX 5
10ALT4.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM5ALT1.ASPMX.L.GOOGLE.COM1ASPMX.L.GOOGLE.COM10ALT3.ASPMX.L.GOOGLE.COM
TXT 6
v=spf1 include:_spf.google.com ~allf4h1d3bgcx1vqpv26vvzcx8d005l6qqbapple-domain-verification=tqvZT7F12AHZYuJubcd4p8wfs0pl3ygtt8d700wh8tkq5hpbMS=ms46398293v=DMARC1; p=none; rua=dmarc@k12itc.com; ruf=dmarc@k12itc.com; fo=1; adkim=r; aspf=r
NS 4
ns1.directnic.comns0.directnic.comns3.directnic.comns2.directnic.com
SOA 1
ns0.directnic.com hostmaster.directnic.com
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
usd492.org |
C=US, O=Let's Encrypt, CN=R13 | Thu, 20 Aug 2026 02:21:17 +0000 |
R13 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 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 receiptEd25519 Receipt
- Receipt ID
rcpt_b1b49fbe0a43c2f2- Output Hash
02cda08339ac31060d09cd37df5b7373327cb904a247fbd09792f29ee7e33c8c- Signature
ed25519:acd925798b469af0b4acc85b0d20843ebd7c53acb28dd97ac798621812be2a23a4c307fc97e3e760ea698a42980b45cfeb2679d8f7f1baf1133e15942335b60a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast