yca.org
Observed Aug 2, 2026, 18:58 UTC (43m 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
Also usesGoogle Search Console
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yca.org actually stands on - every host below is a signed observation
yca.org
A / AAAA
161.35.191.49
unattributedserves the site
NS
elisa.ns.cloudflare.comsevki.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx1-us1.ppe-hosted.commx2-us1.ppe-hosted.comalt1.aspmx.l.google.comalt2.aspmx.l.google.com+3 more
Google Workspacereceives its email
TLS
yca.org
Let's Encryptissued its certificate
DNS Records
A 1
161.35.191.49
MX 7
0mx1-us1.ppe-hosted.com0mx2-us1.ppe-hosted.com100alt1.aspmx.l.google.com100alt2.aspmx.l.google.com100alt3.aspmx.l.google.com100alt4.aspmx.l.google.com100aspmx.l.google.com
TXT 4
f9746e723fdc232531586b9ea7d78b0bb0026240ad16c0ecb03c5c1513e86339_1737752337207google-site-verification=ZFvK6FXmJzS-EsOneFSKfjuA6aZtX56lGxS7-awXfuoppe-5df0189e41a7d778d126d1c3c9123d6c8aa88551v=spf1 include:_spf.neonemails.com ip4:192.168.0.1/16 include:_spf.google.com include:_spf-us.ppe-hosted.com ~all
NS 2
elisa.ns.cloudflare.comsevki.ns.cloudflare.com
SOA 1
elisa.ns.cloudflare.com dns.cloudflare.com
DMARC_RECORDS 1
v=DMARC1; p=reject; rua=mailto:07caac31cc6d47278c9bf8395313423c@dmarc-reports.cloudflare.net,mailto:postmaster@yca.org; ruf=mailto:postmaster@yca.org; rf=afrf; sp=none; pct=100; ri=86400; adkim=r; aspf=r
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
yca.org |
C=US, O=Let's Encrypt, CN=YE1 | Fri, 23 Oct 2026 01:09:14 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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_11d72505b47a05d7- Output Hash
69d07d2f68b57d80a714a0f42a2ad12b9a64185a7fe29d41edea8fb7a190698e- Signature
ed25519:5d6033af3f749693cbee222b2bfe9fd4cbcc62730bd76e3ed859047c6978d6a9c6742117a127137e43aba87f323df82734417b471bb78bb440fb1c2553a49307- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast