recsyschallenge.com
Observed Jul 28, 2026, 19:16 UTC (17h 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 byGoogle Workspace
Secured byLet's Encrypt
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat recsyschallenge.com actually stands on - every host below is a signed observation
recsyschallenge.com
A / AAAA
194.9.94.86194.9.94.85
unattributedserves the site
NS
ns1.loopia.sens2.loopia.se
loopia.seanswers its DNS
MX
ASPMX3.GOOGLEMAIL.comALT1.ASPMX.L.GOOGLE.comASPMX.L.GOOGLE.comASPMX2.GOOGLEMAIL.com+1 more
Google Workspacereceives its email
TLS
recsyschallenge.com
Let's Encryptissued its certificate
DNS Records
A 2
194.9.94.86194.9.94.85
MX 5
30ASPMX3.GOOGLEMAIL.com20ALT1.ASPMX.L.GOOGLE.com10ASPMX.L.GOOGLE.com30ASPMX2.GOOGLEMAIL.com20ALT2.ASPMX.L.GOOGLE.com
NS 2
ns1.loopia.sens2.loopia.se
SOA 1
ns1.loopia.se registry.loopia.se
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
recsyschallenge.com |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 25 Oct 2026 11:21:48 +0000 |
YR2 |
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 (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_b31314f6fc644521- Output Hash
082457a426afc7809ebb3f7b502ea6501def161d65076d27e2cd2a3e29d60612- Signature
ed25519:5595cc1245dd31ffc19a43f36281bf1753d83d86ef56bbd4ae225720a2e1b30b175bb019375f63b5537d30609f0cf9d81e5d3320db04f8e46608171ab2f92d06- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast