refocusedu.org
Observed Jul 28, 2026, 10:49 UTC (9h 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.
INFRASTRUCTURE MAPwhat refocusedu.org actually stands on - every host below is a signed observation
refocusedu.org
A / AAAA
172.67.197.46104.21.74.342606:4700:3031::6815:4a222606:4700:3034::ac43:c52e
2606serves the site
NS
meiling.ns.cloudflare.comnash.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
refocusedu.org
Let's Encryptissued its certificate
DNS Records
A 2
172.67.197.46104.21.74.34
AAAA 2
2606:4700:3031::6815:4a222606:4700:3034::ac43:c52e
NS 2
meiling.ns.cloudflare.comnash.ns.cloudflare.com
SOA 1
meiling.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
refocusedu.org |
C=US, O=Let's Encrypt, CN=YE1 | Mon, 12 Oct 2026 01:57:13 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +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_cffcb1462bfa08c6- Output Hash
84b12a24bd4b21704d7edfbd6ec0542270dd9ecd094256f5d91fb142232060de- Signature
ed25519:f3d5130657b78821ac89709fa8f7d475b312c6e7fa812635d88ba31ee555f1b99337665859d9d1a05738c91ce5b6d4d510327b109c7097b864768f80800ec609- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast