arpf.org
Observed Jul 25, 2026, 23:11 UTC (2d 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_47a2992d62c7a39e- Output Hash
a8b8b3c1500c10b1e5362c98a70f38f0479ea4ec8642a92ba867f05dfd15af5d- Signature
ed25519:902bbde277aabbd1ea481f91d89c571684fed4cb05f991b11fad5afa2d62e39e01e81af8178125f30f1a445ce29156666efe88571079cb8e462f81b741de6b0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast