upfi.fr
Observed Aug 2, 2026, 14:13 UTC (20h 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 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upfi.fr actually stands on - every host below is a signed observation
upfi.fr
A / AAAA
75.2.60.5
unattributedserves the site
NS
dns.ovh.netns.ovh.net
ovh.netanswers its DNS
MX
upfi-fr.mail.protection.outlook.com
Microsoft 365receives its email
TLS
upfi.fr
Let's Encryptissued its certificate
DNS Records
A 1
75.2.60.5
MX 1
1upfi-fr.mail.protection.outlook.com
TXT 2
v=spf1 ip4:54.201.248.224 ip4:54.214.124.209 include:mx.ovh.com include:spf.protection.outlook.com -allMS=ms55572748
NS 2
dns.ovh.netns.ovh.net
SOA 1
dns.ovh.net tech.ovh.net
DMARC_RECORDS 1
v=DMARC1; p=none;
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
upfi.fr |
C=US, O=Let's Encrypt, CN=YE2 | Thu, 29 Oct 2026 04:33:48 +0000 |
YE2 |
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 (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_70758e89eeca1b9e- Output Hash
b39c7bd895f6cc302b55f4d24d91d701a3fcf8a2c63be76c94ae13be94deadef- Signature
ed25519:fe5ee5b8a46c424704c0b9bc2d08706479e104784ff8fab3fb5c2b2a345c119005ca24d29a7b3097e3b5c37682ddea307a99759677c3a7defa15c620435afd08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast