zencastr.com
Observed Jul 27, 2026, 09:54 UTC (6d 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
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesFacebook/MetaGoogle Search Console
IPv6 · 1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zencastr.com actually stands on - every host below is a signed observation
zencastr.com
A / AAAA
104.18.28.134104.18.29.1342606:4700::6812:1c862606:4700::6812:1d86
Cloudflareserves the site
NS
ali.ns.cloudflare.comned.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
zencastr.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.18.28.134104.18.29.134
AAAA 2
2606:4700::6812:1c862606:4700::6812:1d86
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 5
facebook-domain-verification=dhajpgygqlg0fc4fn1kq5qaf564b2kgoogle-site-verification=KZVVCYoIxYeFtpYubbNhWOpr41FCCan3RULF9cMg8W0google-site-verification=kJiD1XSM43c15TmN2lFuq4STvZggX3kyxMbYG3LAlMUv=spf1 include:_spf.google.com include:spf1.mailgun.org include:spf2.mailgun.org include:servers.mcsv.net ~allv=DMARC1; p=reject; pct=100; rua=mailto:re+hys6jodftxy@dmarc.postmarkapp.com; sp=reject; aspf=r;
NS 2
ali.ns.cloudflare.comned.ns.cloudflare.com
SOA 1
ali.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zencastr.com |
C=US, O=Google Trust Services, CN=WE1 | Tue, 20 Oct 2026 23:18:35 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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_405e863689d8bcfd- Output Hash
4f494a9178e7bbb09b3a59fa5c5f68704d7f5d4038caf3d619b3ce3a11c1f77c- Signature
ed25519:e7d3aa865b28ea60d4c341279536ea3d940f415a71a086f825bdb4181be4115b65e174266ec84b223e7f99e27a23410ed6f927f30c8a672a3b191123c0b0c10f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast