arpf.org
Observed Jul 28, 2026, 07:13 UTC (5h 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 byMicrosoft 365
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 arpf.org actually stands on - every host below is a signed observation
arpf.org
A / AAAA
35.203.157.243
unattributedserves the site
NS
cosmin.ns.cloudflare.comdora.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
arpf-org.mail.protection.outlook.com
Microsoft 365receives its email
TLS
arpf.org
Let's Encryptissued its certificate
DNS Records
A 1
35.203.157.243
MX 1
0arpf-org.mail.protection.outlook.com
TXT 3
MS=ms49210245v=spf1 include:spf.protection.outlook.com -allv=DMARC1; p=none;
NS 2
cosmin.ns.cloudflare.comdora.ns.cloudflare.com
SOA 1
cosmin.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
arpf.org |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 06 Sep 2026 12:16:36 +0000 |
YR1 |
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_6d00b3cfcce5ffdc- Output Hash
2f0b6191da1e86c90dff6ce29defe64b37c5803eb6bfd37419e313641f6984f1- Signature
ed25519:cc9e3884c8d595aa00e09fff46307111638e2b3bfbf867102b9df37ed6e649e009dc70c786f438429c81cd32e846e9b250de18dd8cdf5528e5d46d0ccd930d03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast