zelin.io
Observed Jul 26, 2026, 09:59 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
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Also usesGoogle Search Console
IPv6 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zelin.io actually stands on - every host below is a signed observation
zelin.io
A / AAAA
104.21.51.112172.67.179.1292606:4700:3030::ac43:b3812606:4700:3035::6815:3370
Cloudflareserves the site
NS
hal.ns.cloudflare.comkate.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
zelin-io.mail.protection.outlook.com
Microsoft 365receives its email
TLS
zelin.io
Google Trust Servicesissued its certificate
DNS Records
A 2
104.21.51.112172.67.179.129
AAAA 2
2606:4700:3030::ac43:b3812606:4700:3035::6815:3370
MX 1
0zelin-io.mail.protection.outlook.com
TXT 5
MS=ms58967078google-site-verification=IVGvp0NHUoDUoUN6qDMD75McBWDMU3_qz3w2SHlau7Igoogle-site-verification=PcP5zZKAog6-7Sj6flcsUJcYQzwxAylrnKfEi1fj7W0v=spf1 include:spf.protection.outlook.com -allv=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@zelin.io; adkim=s; aspf=s
NS 2
hal.ns.cloudflare.comkate.ns.cloudflare.com
SOA 1
hal.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zelin.io |
C=US, O=Google Trust Services, CN=WE1 | Tue, 06 Oct 2026 11:26:23 +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 (0)
None observed.
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_1f3b174270dd1d62- Output Hash
12c056cfaccd2f6efc5aaca974353f742414965ae6b8abaed225ad87a5d4e03c- Signature
ed25519:a7a34d839fd5b71d8de7abc97a443719be122d280712a2b7d695c81cb2768bedd9cb0c06c5c30d4c6ef1a5ce1d752fd32eb536f1888d0178efe32578ecd1bf0e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast