sbgn.org
Observed Aug 16, 2026, 08:00 UTC (15h 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
Let's Encrypt1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sbgn.org actually stands on - every host below is a signed observation
sbgn.org
A / AAAA
54.150.242.157
unattributedserves the site
NS
ns.sra-osc.ne.jpns.systems-biology.org
ne.jp + systems-biology.organswers its DNS
MX
ms.systems-biology.orgsbgw.sysbio.rcast.u-tokyo.ac.jp
systems-biology.org + ac.jpreceives its email
TLS
celldesigner.org
Let's Encryptissued its certificate
DNS Records
A 1
54.150.242.157
MX 2
10ms.systems-biology.org100sbgw.sysbio.rcast.u-tokyo.ac.jp
NS 2
ns.sra-osc.ne.jpns.systems-biology.org
SOA 1
ns.systems-biology.org postmaster.sbgn.org
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
celldesigner.org |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 06 Nov 2026 23:18:47 +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_9211016ee43c92b6- Output Hash
f797193b3c7c1749fc6ff9ce80ff65397eb95b077d53d705e790153f356f071d- Signature
ed25519:96329be7d2c82e0aef15c823081065f032eca31f0f88a2241f9ec2364c3a7fffd61c3307645a5c110741178f03c0e343135bc39dd15e965d06a4eaa1cb2ae80e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast