du9.org
Observed Aug 5, 2026, 12:01 UTC (9h 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
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat du9.org actually stands on - every host below is a signed observation
du9.org
A / AAAA
109.234.164.41
unattributedserves the site
NS
a.dns.gandi.netc.dns.gandi.netb.dns.gandi.net
gandi.netanswers its DNS
MX
fb.mail.gandi.netspool.mail.gandi.net
gandi.netreceives its email
TLS
du9.org
Let's Encryptissued its certificate
DNS Records
A 1
109.234.164.41
MX 2
50fb.mail.gandi.net10spool.mail.gandi.net
NS 3
a.dns.gandi.netc.dns.gandi.netb.dns.gandi.net
SOA 1
a.dns.gandi.net hostmaster.gandi.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
du9.org |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 27 Sep 2026 11:32:29 +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 (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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_1b2bc4e2f6cc1d12- Output Hash
05f9965f8b71f80d6d4dc2cbe7f72bb4d8dbb41125d48823c36bdffa04dbf05d- Signature
ed25519:684eaa17beab81a7f885092c84f05cbf977c820fc259f298993adff93deebf49e203a6f7cef0d01967ec0d2407c73d25696c0a6c7afc573a5b3759cb589f9f0a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast