johnzerzan.net
Observed Aug 16, 2026, 06:54 UTC (4h 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 johnzerzan.net actually stands on - every host below is a signed observation
johnzerzan.net
A / AAAA
162.241.225.66
unattributedserves the site
NS
ns1.openguild.netns2.openguild.net
openguild.netanswers its DNS
MX
mail.johnzerzan.net
johnzerzan.netreceives its email
TLS
www.johnzerzan.net
Let's Encryptissued its certificate
DNS Records
A 1
162.241.225.66
MX 1
10mail.johnzerzan.net
TXT 1
John Zerzan
NS 2
ns1.openguild.netns2.openguild.net
SOA 1
ns1.openguild.net hostmaster.openguild.net
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.johnzerzan.net |
C=US, O=Let's Encrypt, CN=YR1 | Wed, 28 Oct 2026 15:55:52 +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_f2af34b945b8f444- Output Hash
19d8a159c70940ddea8b84a6ea73556f4f8769c9813e44f841b0c68cf41f17aa- Signature
ed25519:47f698599fff1fab4a7d80bd5fd16ae5b867104e4f4bd45560d9ca575d541c30c6ca71bf8f70a030cf16ba8c720fb57fdb10f71de1928e03fcb00d5aa7019b0d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast