zone41.net
Observed Jul 26, 2026, 12:03 UTC (7d 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
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zone41.net actually stands on - every host below is a signed observation
zone41.net
A / AAAA
23.21.157.88
unattributedserves the site
NS
ns1.io-servers.comns2.io-servers.com
io-servers.comanswers its DNS
MX
alt4.aspmx.l.google.comalt2.asomx.l.google.comalt1.aspmx.l.google.comaspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
www.zone41.net
Let's Encryptissued its certificate
DNS Records
A 1
23.21.157.88
MX 5
10alt4.aspmx.l.google.com5alt2.asomx.l.google.com5alt1.aspmx.l.google.com1aspmx.l.google.com10alt3.aspmx.l.google.com
NS 2
ns1.io-servers.comns2.io-servers.com
SOA 1
ns1.io-servers.com admin.io-servers.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.zone41.net |
C=US, O=Let's Encrypt, CN=YR2 | Wed, 30 Sep 2026 04:25:44 +0000 |
YR2 |
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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_c2232fb823795c51- Output Hash
b49b7da3562d9b4a43da32010b1e605228234479ae633f91009e2d840a5b8f76- Signature
ed25519:1be71fef6849ff22287f4cb666623a11a9bd7e426c1e30c8e4bdbd2113972bf23fef96299a7221a0086bf364445a5a0e8785a76acf7fa374323e11a54df5ff0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast