upsaclay.net
Observed Jul 24, 2026, 22:14 UTC (8d 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.
Not responding
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat upsaclay.net actually stands on - every host below is a signed observation
upsaclay.net
NS
ext.upsaclay.netdns1.u-psud.frdns2.u-psud.fr
upsaclay.net + u-psud.franswers its DNS
MX
mx1.u-psud.frmx2.u-psud.fr
u-psud.frreceives its email
DNS Records
MX 2
10mx1.u-psud.fr10mx2.u-psud.fr
TXT 3
HARICA-4ygw8XrAX7kAOmyxzE0v=spf1 mx ip4:129.175.213.0/25 ip4:129.175.213.128/32 ip4:129.175.212.64/29 -allHARICA-SVsCUpPhkmOLYp0ca1S
NS 3
ext.upsaclay.netdns1.u-psud.frdns2.u-psud.fr
SOA 1
dns1.u-psud.fr dns.universite-paris-saclay.fr
TLS Certificates (0)
None.
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_35fbf15052f41da4- Output Hash
af402f33c74ebad0c8a09140dbc3969964f2dc40dd262c16f101520bce7e6610- Signature
ed25519:be8b773721b1d700c0e2e9c6458a5274b1cf4c730b543443f868103a9d6bbf34398d48c26bd19c839f17ac00103451542e72a8b578d72dceeba1903619cc3f0e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast