duxburysystems.org
Observed Jul 27, 2026, 19:49 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.
Up right now
Secured byLet's Encrypt
8 subdomains · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat duxburysystems.org actually stands on - every host below is a signed observation
duxburysystems.org
A / AAAA
66.147.244.73
unattributedserves the site
NS
ns1.bluehost.comns2.bluehost.com
bluehost.comanswers its DNS
MX
mail.duxburysystems.org
duxburysystems.orgreceives its email
TLS
mail.duxburysystems.org
Let's Encryptissued its certificate
DNS Records
A 1
66.147.244.73
MX 1
0mail.duxburysystems.org
TXT 1
v=spf1 +a +mx +ip4:69.89.27.23 +ip4:66.147.244.73 +include:bluehost.com ~all
NS 2
ns1.bluehost.comns2.bluehost.com
SOA 1
NS1.BLUEHOST.COM root.BLUEHOST.COM
SRV 1
autodiscover.bluehost.com:443 p0
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
mail.duxburysystems.org |
C=US, O=Let's Encrypt, CN=YR1 | Tue, 29 Sep 2026 06:08:39 +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 (8)
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_419394463e4db2ca- Output Hash
d367929457bc1e948c6c5a11427143c475461350daba1602df3e36481b5ff7ab- Signature
ed25519:b423f2a042ec8d60f862668458afc66a7950a43a2b2a67afceba8f3514245696c4ddb92f9865b33f17f9a64fb74fbea46596e81eaf7020a1c70ac739751b1d02- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast