zkresearch.com
Observed Jul 26, 2026, 10:04 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 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zkresearch.com actually stands on - every host below is a signed observation
zkresearch.com
A / AAAA
208.97.183.123
unattributedserves the site
NS
ns1.powweb.comns2.powweb.com
powweb.comanswers its DNS
MX
aspmx3.googlemail.comaspmx2.googlemail.comalt1.aspmx.l.google.comalt2.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
zkresearch.com
Let's Encryptissued its certificate
DNS Records
A 1
208.97.183.123
MX 5
30aspmx3.googlemail.com30aspmx2.googlemail.com20alt1.aspmx.l.google.com20alt2.aspmx.l.google.com10aspmx.l.google.com
TXT 1
v=spf1 ip4:38.113.1.0/24 ip4:38.113.20.0/24 ip4:65.254.224.0/19 include:websitewelcome.com ?all
NS 2
ns1.powweb.comns2.powweb.com
SOA 1
NS2.POWWEB.com namehost.WORLDNIC.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zkresearch.com |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 13 Sep 2026 03:14:12 +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_4e3fa201aa726974- Output Hash
0c8a5f412dedbb5aba3a447cd8f7f559d068f2cf4679d244390b2bb15e76b5b5- Signature
ed25519:25f0397fbefea4d9deedb437fd8254735f6b5d95d938e9379e2b50937fbe4f4ca94a86046f7be48a18614da58a59f7626201e9507e48218de418f823e821a001- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast