osi.org
Observed 2026-06-15T16:23:54.218667639+00:00 (2h ago). Every field below was attested with an Ed25519 signature at scan time.
Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
d5b7e129-fba0-4850-b986-be9c07a38295- Output Hash
9f6f0eff1cb4f0f34f045a7882c45a8c0f7f6eeb2f0a88feac1a867f99b88286- Signature
ed25519:f1635ad5377ab47396ed2b07a7a79371a254f2823975bbce13627348b84bbc3213d4c3faf29422c35d0ef8ea24b791ee16775c6d0b1586f168f09bfbcfb7150e- Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29- Parent
(genesis)- Plane
- fast
DNS Records
A 1
174.138.112.6
MX 1
{"priority":0,"exchange":"osi-org.mail.protection.outlook.com"}
TXT 2
v=spf1 include:spf.rkd.ca include:spf.protection.outlook.com -allv=DMARC1; p=none; rua=mailto:dmarc@osi.org
NS 2
henrik.ns.cloudflare.comkatja.ns.cloudflare.com
SOA 1
{"mname":"henrik.ns.cloudflare.com","rname":"dns.cloudflare.com","serial":2406588765,"refresh":10000,"retry":2400,"expire":604800,"minimum":1800}
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
osi.org |
C=US, O=Let's Encrypt, CN=R13 | Tue, 11 Aug 2026 07:37:21 +0000 |
R13 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 23:59:59 +0000 |